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人教版2024 八年级下册
Unit4 The Wonders of Nature
选词填空12篇（单元话题：自然奇观）
一、快速核对
1．drought 2．hit 3．wildfires 4．safety 5．warned 6．refused 7．started 8．up 9．working 10．remember
11．largest 12．grow 13．conditions 14．reached 15．useful 16．it 17．survive 18．importance 19．than 20．natural
26．air 27．look after 28．push 29．tired 30．protect
31．scared 32．up 33．better 34．chatted 35．manage 36．fear 37．instructor 38．myself 39．and 40．skiing
41．A 42．E 43．B 44．C 45．D
一、快速核对
46．reach 47．face 48．was 49．called 50．arrived 51．allowed 52．climbed 53．brought 54．measure 55．risk
56．second 57．easily 58．when 59．similar 60．area 61．shorter 62．provides 63．plays 64．it 65．of
66．distance 67．hard 68．was determined to 69．survive 70．measured
71．natural 72．runs 73．between 74．villages 75．to visit 76．relaxing 77．enjoy 78．best 79．usually 80．fun
81．largest 82．grow 83．conditions 84．reached 85．useful 86．it 87．survive 88．importance 89．than 90．natural
91．natural 92．sand 93．types 94．travellers 95．Explorers 96．colourful 97．successfully 98．beauty 99．alive 100．natureUnit 4 The Wonders of Nature
选词填空12篇
学校:___________姓名：___________班级：___________考号：___________
一、选词填空
refuse start drought up warn work hit remember safe wildfire
In August 2022, China experienced a great heatwave, the worst since 1961. It caused 1 in different parts of the country. The heatwave 2 the southeastern city of Chongqing very hard. Large 3 swept through the forests and mountains there. Over 5,000 firefighters, police, and volunteers all worked together to keep the people and their homes safe. They put out the fires, brought more than 1,500 people to 4 and 5 others to stay away from dangerous areas. It was very hard to fight the fires because of the high temperatures and changeable winds, but the rescue workers 6 to give up. By the end of August, they managed to put out all the fires.
After the fires were put out, people in Chongqing 7 to rebuild their lives. Many volunteers came to help clean 8 the mountains and plant new trees. The government also gave money to the families who lost their homes. People said they would never forget the brave firefighters and the helpers. They learned that 9 together can make hard things possible. Now, when people visit the mountains, they 10 the big fire and the strong team that saved their city.
阅读短文，从方框中选择适当的词并用其正确的形式填空（每词限用一次）。
it, condition, reach, use, large, grow, survive, important, than, nature
The Sahara Desert is in the north of Africa. It is the 11 desert in the world, covering about 9,000,000 square kilometres. Life there in the past was much more difficult for humans than in other places because it was hard to 12 plants and find water there.
The Sahara Desert has one of the most terrible living 13 on earth. It is very hot and dry all year round. The highest temperature there once 14 58°C． Camels are the most 15 means of transportation (交通工具) for people in the Sahara Desert. They are called “ships of the desert”.
Oil is one of the richest mineral resources (矿产资源) in the Sahara Desert. After the people there found it, they started to sell 16 to other countries. Then they had money to build roads and houses in the desert. It is still hard for people to 17 in the Sahara Desert now. So the government has tried hard to plant trees in the past few years. They also have had some educational programs to let people know the 18 of saving water. As a result, the Sahara Desert has become much more beautiful 19 before.
The Sahara Desert reminds us that nature is just as important as humans. So we should try our best to protect the 20 world.
阅读下面短文，然后用下面方框中所给的单词或短语填空，使短文在结构、语义和逻辑上正确。（提示：方框中有两个单词或短语是多余的。）
bottom / on the surface / sea level / Although / If / conditions / wide
The Mariana Trench is the deepest place on Earth. It lies in the western Pacific Ocean, near the Mariana Islands. It is about 2,550 km long and 69 km 21 . Its deepest point, Challenger Deep, reaches over 10,900 meters. 22 you put Mount Everest into it, the peak would still be 2,000 meters under water. The environment there is very extreme. No sunlight can reach the 23 . The water is cold, only 1–4°C . The pressure is 1,100 times higher than at 24 . But life still exists here. Scientists have found strange fish and small sea animals that can live in such hard 25 . Studying the trench helps us learn about Earth’s geology and deep-sea life. It is a wonderful but mysterious part of our planet.
仔细阅读下面短文，用下面方框中所给的单词或短语填空，使短文在结构、句义和逻辑上正确。（提示：方框中有两个单词或短语是多余的。）
tired, air, look after, protect, mad, push, beat
In the warm waters, a small group of dolphins come up for 26 . In the front is the mother dolphin. Mother dolphin will 27 baby dolphins for a long time.
She’ll stay beside her babies until they grow up. Baby dolphins are very playful. They swim well and love to 28 their mother softly. After playing so much, they get 29 . At night, they sleep just below the surface of the water with the mother dolphin. Dolphins always travel in small groups to 30 themselves against their enemies (敌人). They can live for many years. Some dolphins can live to be 35 years in the wild.
阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。每空限填一词，每词限用一次。
chat ski good fear my up manage instructor scare and
Last Sunday, my friend invited me to try skiing with her family. I was excited but a bit 31 . My friend’s dad is a skiing instructor. He told us, “Don’t fear falling. Everyone starts as a beginner.”
At first I kept losing balance. I wanted to give 32 , but my friend said, “Let’s give it a go together! We can practise slowly.” Her words made me feel 33 .
During the break, we sat on the snow and 34 about our fears. She shared that she used to be afraid of maths tests but learnt to 35 her anxiety (焦虑) by studying regularly. Her story helped me get over my 36 . I stood up and tried again.
In the afternoon, we joined in a group game. It was fun and the 37 praised us for not giving up. I felt proud (骄傲的) of 38 for sticking to it.
That evening, we had a warm dinner together. My friend’s mum said, “Trying new things can reduce stress 39 build confidence.” I nodded—she was right.
That weekend I realized that challenges can be good opportunities. Even if I’m not good at something at first, staying positive helps me improve. I’m really looking forward to 40 again sometime!
阅读下面短文，从方框内的选项中选出可以填入空白处的最佳选项。
A．take a deep breath B．make sure C． look forward to D．run out of E. keep away from
My friends and I visited Victoria Falls in Africa last year. It was one of the most exciting trips we’ve ever had! Before we got close to the falls, our guide told us to 41 because the spray could soak us completely! We all laughed and did as he said. The sound of the water was so loud that we had to shout to hear each other.
As we walked along the path, I noticed some signs warning visitors to 42 the slippery rocks near the edge. “Safety first!” our guide reminded us. He also told us to 43 we stayed with the group at all times—no wandering off alone!
When we finally reached the viewing platform, I couldn’t believe my eyes. The waterfall was even bigger than I imagined! I 44 this moment for months, and now it was real. My camera battery almost died—I thought we might 45 power before taking enough photos! But luckily, I had brought an extra one.
That day taught me how powerful nature is—and how important it is to be prepared, respectful, and brave when exploring wild places.
call, arrive, allow, measure, reach, climb, face, be, bring, risk
To most people, Mount Qomolangma is one of the greatest wonders of the world. On the highest place on earth, you will feel like you are able to touch the sky. But only the best climbers 46 the top, and that is only if they survive the terrible conditions first. On the mountain, temperatures can fall to -30 degrees. Climbers must also 47 thin air, high cliffs, and changeable weather.
Before 1960, no one 48 able to reach the top of Qomolangma from the northern side. Mountain climbers even 49 that way the “Death Road.” But a Chinese climbing team was determined to make the climb.
On 24 May 1960, climbers Liu Lianman, Wang Fuzhou, Qu Yinhua, and Gong Bu 50 at the Second Step, which was 8,600 metres above sea level. People said it was so high that even birds could not reach it. Liu 51 his teammates to step on his shoulders. Bit by bit, the climbers pulled themselves up, and they made it past the Second Step. At 4:20 a.m. on 25 May, the Chinese national flag flew above the world’s highest mountain for the first time.
In 1975, another Chinese team 52 to the top of Qomolangma to do research. This time, they 53 a ladder to the Second Step. Until 2007, almost all climbers from the northern side used this “Chinese Ladder” to reach the top much faster. In 2020, a third team returned to Qomolangma to 54 its height—8,848.86 metres.
Climbing Qomolangma is dangerous. Some climbers 55 their lives to climb the highest mountain in the world successfully, but many fail. Why do people still take the risk It is because human curiosity and ambition cannot be stopped. Or, as the English explorer George Mallory put it, it is simply “because it’s there!”
阅读短文, 从方框中选择适当的词并用其正确形式填空。每空限填一词, 每词限用一次。
two similar it play short when of provide easy area
Today let me introduce one of the Chinese wonders—the Yellow River.
The Yellow River is the 56 longest river in China. The “yellow” in its name is from the mud and sand. About ninety percent of the mud and sand in the Yellow River comes from the Loess Plateau(黄土高原). The Loess Plateau is loose(松软的) and washed away 57 . As a result, a lot of mud and sand go into the Yellow River 58 the rainy season comes. The Yellow River starts from the Qinghai-Tibet Plateau. The river’s shape is 59 to “几”. It runs from the west to the east through nine provinces and finally runs into the Bohai Sea. It covers a(n) 60 of about 752,443 square kilometres. The Yellow River is about 5,464 kilometres long. In fact, it is a little 61 than the Yangtze River.
In Chinese history, the Yellow River is the most important birthplace. Ancient Chinese people lived around the river and created a rich culture. Today, the area around the Yellow River is very important for farming. The Yellow River also 62 water for factories and people’s lives. What’s more, the Yellow River 63 an important role in Chinese culture. People created a lot of poems, paintings, and songs about 64 . The Yellow River is a symbol 65 China. We call it the “Mother River”.
词与短语填空 (有两个多余选项)
distance / hard / was determined to / survive / measured / degree / ambition
A group of campers got lost in the forest last month. The 66 to the village was only 3 kilometres, but the thick trees and heavy rain made it 67 to find the way. Their leader, a young man named Tom, 68 take everyone back safely. “We must work together to 69 ,” he said. He 70 the direction with a compass and led the way. After 4 hours, all the campers got back to the village safely.
good between visit natural run usual fun enjoy village relax
The Lijiang River is one of the most famous 71 sights in China. It is one of the World’s Top Ten Watery Wonders.
The Lijiang River 72 through many places in Guangxi. The 83-kilometer-long part 73 Guilin and Yangshuo is the most beautiful. Along the river, visitors can see the great karst landscape (喀斯特地貌), farming 74 and bamboo forests.
There are several ways 75 the Lijiang River, such as by boat, by bamboo raft or by bike. The most 76 and popular way is to take a boat tour. Visitors may spend four hours on the boat and 77 those beautiful sights.
Although visitors can enjoy different sights in different seasons, the 78 time of the year to visit the Lijiang River is in early autumn, from September to October. During that time, the weather is 79 cool and dry with some sunshine. Visitors can have a lot of 80 !
阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。每空限填一词，每词限用一次。
it condition reach use large grow survive important than nature
The Sahara Desert is in the north of Africa. It is the 81 desert in the world, covering about 9,000,000 square kilometres. Life there in the past was much more difficult for humans than in other places because it was hard to 82 plants and find water there.
The Sahara Desert has one of the most terrible living 83 on earth. It is very hot and dry all year round. The highest temperature there once 84 58℃. Camels are the most 85 means of transportation (交通工具) for people in the Sahara Desert. They are called “ships of the desert”.
Oil is one of the richest mineral resources (矿产资源) in the Sahara Desert. After the people there found it, they started to sell 86 to other countries. Then they had money to build roads and houses in the desert. But it is still hard for people to 87 in the Sahara Desert now. So the government has tried hard to plant trees in the past few years. They also have had some educational programs to let people know the 88 of saving water. As a result, the Sahara Desert has become much more beautiful 89 before.
The Sahara Desert reminds us that nature is just as important as humans. So we should try our best to protect the 90 world.
阅读短文，从方框中选出恰当的单词并用其适当形式填空，使短文通顺、意义完整。每空仅填一词。
explorer, travel, nature, beautiful, alive, type, successful, natural, sand, colour
There are many amazing 91 wonders around the world. Some are made of 92 , and some are formed by water. Different 93 of natural wonders attract lots of 94 every year.
95 can walk along safe paths. The best view is at the top, where you can see the truly 96 landscape. To reach this point, visitors need to climb carefully.
The park 97 protects this large place while allowing people to enjoy its 98 . We must work together to keep such wonders 99 for future generations. Let’s cherish these gifts from 100 and never stop exploring them.Unit 4 The Wonders of Nature
选词填空12篇
学校:___________姓名：___________班级：___________考号：___________
参考答案
1．drought 2．hit 3．wildfires 4．safety 5．warned 6．refused 7．started 8．up 9．working 10．remember
本文主要介绍了2022年8月中国遭遇1961年以来最严重的极端热浪，多地受灾，重庆爆发严重山林野火，数千名消防员、警务人员和志愿者齐心救援扑灭了火情，灾后各界又合力帮助重庆民众重建家园，民众也从中领悟到团结的力量，永远铭记救援人员的勇敢奉献。
1．热浪在全国多地引发了干旱。极端高温热浪引发全国多地干旱，故空处需名词drought“干旱”，作宾语。
2．热浪重创了东南部城市重庆。此处表示热浪重创重庆，需动词hit，因是陈述过去的事情，需一般过去时，谓语动词用过去式hit。
3．大规模山火席卷了当地的森林与山地。此处表示大型山火横扫山林，故空处需名词wildfires“野火”表泛指。
4．他们扑灭明火，将1500多名民众转移到安全地带，还提醒其他人远离危险区域。此处指把受灾民众转移到安全区域，空处指“安全”，将形容词safe变为名词safety。
5．他们扑灭明火，将1500多名民众转移到安全地带，还提醒其他人远离危险区域。救援人员警告民众远离危险区，故空处指“警告”，动词warn符合句意，本文主体时态为一般过去时，谓语动词需过去式warned。
6．受高温和多变风向影响，灭火难度极大，但救援人员始终不肯放弃。救援人员拒绝放弃，动词refuse“拒绝”符合句意，本文主体时态为一般过去时，谓语动词需过去式refused。
7．大火扑灭后，重庆民众开始重建生活。灾后重庆人民开始重建，空处指“开始”，动词start符合句意，本文主体时态为一般过去时，谓语动词需过去式started。
8．许多志愿者前来帮忙清理山林、栽种新树。固定搭配clean up表示“清理”。
9．他们也学到了：齐心协力就能克服万难。空处指“齐心协力”，动词work符合句意，空处需动名词working作主语，working together表示“合作、一起努力”。
10．如今，人们再去这些山里游玩时，仍会记得这场大火，以及拯救了这座城市的强大救援队伍。现在人们还记得这场大火和救援队伍，故空处指“记得”，动词remember符合句意，因描述的现在的动作，故时态为一般现在时，主语为they，谓语动词用原形remember。
11．largest 12．grow 13．conditions 14．reached 15．useful 16．it 17．survive 18．importance 19．than 20．natural
本文介绍了撒哈拉沙漠的地理概况、恶劣的自然条件、主要交通工具及矿产资源，并讲述了当地政府通过植树和教育项目改善环境，提醒人们保护自然的重要性。
11．它是世界上最大的沙漠。“It is the...desert in the world”表示“它是世界上最大的沙漠”，需用形容词最高级修饰名词desert。选项“large”的最高级“largest”符合语法。
12．因为很难种植植物和找到水。“it was hard to...plants and find water”表示“很难种植植物”，需用动词原形构成不定式短语。选项“grow”符合语义，表示“种植”。
13．撒哈拉沙漠拥有地球上最恶劣的生存条件之一。“living...”表示“生存条件”，需用名词复数形式。选项“condition”的复数“conditions”符合语义，表示“条件、环境”。
14．那里的最高温度曾达到58°C。“the highest temperature there once...58°C”表示“温度曾达到58°C”，需用动词过去式。选项“reach”的过去式“reached”符合语义，表示“达到”。
15．骆驼是撒哈拉沙漠中人们最有用的交通工具。“the most...means of transportation”表示“最有用的交通工具”，需用形容词修饰名词means。选项“use”的形容词形式“useful”符合语义，表示“有用的”。
16．他们开始将其出售给其他国家。“they started to sell...to other countries”表示“将其出售给其他国家”，需用代词指代前文的“oil”。选项“it”符合语法，指代石油。
17．现在人们仍然很难在撒哈拉沙漠生存。“it is still hard for people to...in the Sahara Desert”表示“人们仍然很难生存”，需用动词原形。选项“survive”符合语义，表示“生存”。
18．他们还开展了一些教育项目，让人们了解节约用水的重要性。“the...of saving water”表示“节约用水的重要性”，需用名词作宾语。选项“important”的名词形式“importance”符合语义。
19．因此，撒哈拉沙漠变得比以前美丽得多。“much more beautiful...before”表示“比以前美丽得多”，需用连词表示比较对象。选项“than”符合语法，构成比较级结构。
20．所以我们应该尽最大努力保护自然世界。“protect the...world”表示“保护自然世界”，需用形容词修饰名词world。选项“nature”的形容词形式“natural”符合语义，表示“自然的”。
21．wide 22．If 23．bottom 24．sea level 25．conditions
这篇短文主要介绍了马里亚纳海沟的地理特征（深度、长度、宽度）、极端环境（无光、低温、高压）以及其存在的生命价值和科学研究意义。
21．它长约2550千米，宽69千米。前文提到了海沟的长度（long），此处对应描述宽度，wide意为“宽的”，符合“长2550公里、宽69公里”的地理描述。
22．如果你把珠穆朗玛峰放进去，它的峰顶仍然会在水下2000米。这是一个条件状语从句，If引导条件，意为“如果”，符合“如果把珠穆朗玛峰放进海沟，峰顶仍在水下2000米”的假设语境。
23．没有阳光能够到达底部。马里亚纳海沟的特点是阳光无法到达底部，bottom意为“底部”，符合深海环境的描述。
24．这里的压力比海平面处高1100倍。深海压力的对比基准是海平面，sea level 意为“海平面”，是地理常识中的标准参照。
25．科学家们已经发现了能在如此艰苦的环境中生存的奇特鱼类和小型海洋动物。hard conditions是固定搭配，意为“艰苦的条件”，对应前文提到的极端深海环境，conditions用复数表示“环境、条件”。
26．air 27．look after 28．push 29．tired 30．protect
本文是一篇说明文。文章介绍了海豚妈妈如何照顾宝宝以及海豚的生活习性，包括玩耍、休息和团队协作保护自己。
26．在一小群海豚中，它们浮出水面呼吸空气。根据“come up for…”及备选词汇可知，这里指的是“空气”；air表示“空气”，是不可数名词，作介词for的宾语。故填air。
27．海豚妈妈会长时间照顾小海豚。根据“Mother dolphin will…baby dolphins for a long time.”及备选词汇可知，这里指的是“照顾”；look after表示“照顾”，是动词短语，will后接动词原形。故填look after。
28．它们很会游泳并且喜欢轻轻地推妈妈。根据“love to…their mother softly.”及备选词汇可知，这里指的是“推”；push表示“推”，是动词，love to do sth.意为“喜欢做某事”，后接动词原形。故填push。
29．玩了很多之后，它们累了。根据“After playing so much, they get…”及备选词汇可知，这里指的是“累的”；tired表示“疲倦的”，是形容词，作get的表语。故填tired。
30．海豚总是以小组形式旅行以保护自己免受敌人伤害。根据“to…themselves against their enemies.”及备选词汇可知，这里指的是“保护”；protect表示“保护”，是动词，构成protect oneself against“保护自己免受……”，不定式to后接动词原形。故填protect。
31．scared 32．up 33．better 34．chatted 35．manage 36．fear 37．instructor 38．myself 39．and 40．skiing
本文讲述了作者上周日在朋友的鼓励下尝试滑雪，从最初的害怕到最终克服恐惧、获得成长的经历，表达了挑战自我的积极意义。
31．我很兴奋，但有点害怕。根据“but”表示转折可知，是指很兴奋但有点害怕，空处修饰人，用scare的形容词形式scared“害怕的”，作表语。故填scared。
32．我想要放弃，但我的朋友说：“我们一起试试看吧！我们可以慢慢练习。”根据“At first I kept losing balance.”可知，一直失去平衡，因此是想要放弃，give up“放弃”，固定短语。故填up。
33．她的话让我感觉好一些了。根据“Let’s give it a go together! We can practise slowly.”可知，朋友的鼓励让作者的心情比之前更好，用good的比较级better“更好的”，作表语。故填better。
34．休息时，我们坐在雪地上聊我们的恐惧。根据“She shared that she used to be afraid of maths tests”可知，是在聊我们的恐惧，chat“聊天”符合，此处用过去式与sat作并列谓语。故填chatted。
35．她分享说她过去害怕数学考试，但学会了通过规律学习来管理焦虑。根据“her anxiety (焦虑) by studying regularly”及备选词可知，是指管理焦虑，manage“管理”，不定式符号to后跟动词原形。故填manage。
36．她的故事帮助我克服了恐惧。根据“get over my”及备选词可知，是指克服恐惧，用名词fear“恐惧”，作宾语。故填fear。
37．这很有趣，滑雪教练表扬了我们没有放弃。根据前文“My friend’s dad is a skiing instructor”可知，此处指“滑雪教练”，名词单数instructor“教练、指导员”符合语境。故填instructor。
38．我为自己坚持下来而感到骄傲。根据“I felt proud (骄傲的) of”可知，作者是为自己感到骄傲，my对应的反身代词myself“我自己”符合语境。故填myself。
39．尝试新事物可以减轻压力并建立信心。“reduce stress”和“build confidence”是并列关系，用and连接。故填and。
40．我真的很期待以后再去滑雪。根据前文“my friend invited me to try skiing with her family”可知，此处是指期待再次滑雪，ski“滑雪”，look forward to doing sth“期待做某事”。故填skiing。
41．A 42．E 43．B 44．C 45．D
本文主要介绍了作者和朋友去年去非洲游览维多利亚瀑布的一次激动人心的旅行经历。
41．在我们靠近瀑布之前，导游让我们深吸一口气，因为水花会把我们全身都湿透！根据“Before we got close to the falls, our guide told us to…because the spray could soak us completely!”结合备选词汇可知，结合后句“水花会淋透全身”的语境，导游提醒的是做一个准备性的动作，take a deep breath“深吸一口气” 符合场景。故选A。
42．我注意到一些标识，警示游客远离边缘湿滑的岩石。根据“I noticed some signs warning visitors to…the slippery rocks near the edge.”结合备选词汇可知，本句核心是“标识警示湿滑岩石”，结合安全常识，警示的内容必然是“远离危险区域”；keep away from“远离”是固定短语，贴合“安全警示”的语境。故选E。
43．他还告诉我们要确保一直和团队待在一起——不许单独闲逛！根据“He also told us to…we stayed with the group at all times—no wandering off alone!”结合备选词汇可知，后句“不许单独闲逛”是前句的具体要求，导游的叮嘱是让大家 “保证做到随队行动”；make sure“确保”， 后可接宾语从句。故选B。
44．我期盼这一刻已经好几个月了，现在这一刻终于成真了。根据“The waterfall was even bigger than I imagined! I…this moment for months, and now it was real.”结合备选词汇可知，结合前句“瀑布比我想象的还要壮观”和后句“梦想成真”，能体现出作者对看到维多利亚瀑布的“期待之情”；look forward to“期盼、盼望”后接名词/代词/动名词，本句中接this moment。故选C。
45．我的相机电池快没电了——我担心我们可能会在拍够照片之前用完电量！根据“My camera battery almost died—I thought we might…power before taking enough photos!”结合备选词汇可知，前句“电池快没电了”是线索，后句是作者的担忧：“电量被用完”；run out of“用完、耗尽”后接名词，贴合“电池没电、耗尽电量”的语境；might是情态动词，后接动词原形。故选D。
46．reach 47．face 48．was 49．called 50．arrived 51．allowed 52．climbed 53．brought 54．measure 55．risk
本文主要讲述了人类攀登珠穆朗玛峰的历史，特别是中国登山队的成就与珠峰测量等相关内容。
46．但只有最优秀的登山者才能登顶，而且这只有在他们首先熬过恶劣环境的前提下才有可能。根据“only the best climbers…the top”可知，此处表示“到达”，主语为复数climbers，句子为一般现在时，故用动词原形reach“到达”。故填reach。
47．登山者还必须面对稀薄的空气、高耸的悬崖和多变的天气。根据“Climbers must also…thin air, high cliffs, and changeable weather”可知，此处表示“面对”这些挑战，情态动词must后接动词原形，故用face“面对”。故填face。
48．1960年之前，没有人能从北侧登上珠穆朗玛峰顶。根据“no one…able to reach”可知，“be able to”表示“能够”，主语no one为单数，时间状语“Before 1960”为过去，故用一般过去时was。故填was。
49．登山者甚至把那条路称作“死亡之路”。根据“that way the ‘Death Road’”和备选词可知，此处表示“称呼、命名”，句子描述过去的事，用一般过去时，故用called“称呼”。故填called。
50．1960年5月24日，登山队员刘连满、王富洲、屈银华和贡布抵达海拔8600米的第二台阶。根据“…at the Second Step”和备选词可知，此处表示“到达”，时间为1960年，用一般过去时，故用arrived“到达”。故填arrived。
51．刘连满允许队友踩在他的肩膀上。根据“his teammates to step on his shoulders”和备选词可知，此处表示“允许”，描述过去的事，用一般过去时，故用allowed“允许”。故填allowed。
52．1975年，另一支中国队伍攀登至珠穆朗玛峰顶进行考察。根据“to the top of Qomolangma”和备选词可知，此处表示“攀登”，时间为1975年，用一般过去时，故用climbed“攀登”。故填climbed。
53．这一次，他们为第二台阶带来了一架梯子。根据“a ladder to the Second Step”和备选词可知，此处表示“带来”，描述1975年的事，用一般过去时，故用brought“带来”。故填brought。
54．2020年，第三支队伍重返珠穆朗玛峰测量它的高度——8848.86 米。根据“its height”和备选词可知，此处表示“测量”高度，不定式符号to后接动词原形，故用measure“测量”。故填measure。
55．一些登山者冒着生命危险成功攀登这座世界最高峰，但许多人失败了。根据“their lives to climb”和备选词可知，此处表示“冒着生命风险”，主语some climbers为复数，句子为一般现在时，故用动词原形risk“冒……风险”。故填risk。
56．second 57．easily 58．when 59．similar 60．area 61．shorter 62．provides 63．plays 64．it 65．of
本文是一篇说明文，主要介绍了中国的奇观之一 —— 黄河，包括它的长度、流经区域、地理特征，以及它在中华文明和中国文化中的重要地位，被誉为“母亲河”。
56．黄河是中国第二长的河流。根据常识，黄河是中国第二长河。“the+序数词+形容词最高级”表示“第几最……的”。因此用two的序数词second。故填second。
57．黄土高原土质疏松，很容易被冲走。根据“The Loess Plateau is loose(松软的) and washed away...”可知，此处需要副词修饰动词短语“washed away”。结合备选词，“easy”符合语境。因此将形容词“easy”变为副词easily。故填easily。
58．结果，当雨水来临时，大量的泥沙进入黄河。根据“As a result, a lot of mud and sand go into the Yellow River...the rainy season comes.”可知，此处应填连词连接两个完整句子。结合备选词，“when”引导时间状语从句，表示“当……时候”，符合语境。故填when。
59．这条河的形状类似“几” 字。根据“The river’s shape is...to “几”.”及备选词汇可知，此处应填形容词。“be similar to”是固定搭配，意为“与……相似”，因此用形容词similar。故填similar。
60．它覆盖了大约 752,443 平方公里的区域。根据“about 752,443 square kilometres”及备选词汇可知，此处在介绍面积。“cover an area of...”是固定搭配，意为“覆盖……的面积”符合语境。故填area。
61．事实上，它比长江短一点。根据“5,464 kilometres long”及备选词汇可知，此处与介绍长度相关。根据句中的“than” 可知，此处需要形容词的比较级，因此将形容词“short”变为比较级shorter。故填shorter。
62．黄河也为工厂和人们的生活提供水源。根据“The Yellow River also...water for factories and people’s lives.”可知，此处应填动词作谓语。结合备选词，“provide sth. for sb./sth.” 是固定搭配，意为“为……提供某物”符合语境。句子主语“The Yellow River”是第三人称单数，且时态为一般现在时，因此动词用第三人称单数形式provides。故填provides。
63．此外，黄河在中国文化中扮演着重要的角色。根据“What’s more, the Yellow River...an important role in Chinese culture.”及备选词汇可知，“play an important role in...”是固定搭配，意为“在……中扮演重要角色”。句子主语“The Yellow River”是第三人称单数，且时态为一般现在时，因此动词用第三人称单数形式plays。故填plays。
64．人们创作了很多关于它的诗歌、绘画和歌曲。根据“People created a lot of poems, paintings, and songs about...”可知，此处应填名词性质的代词。结合备选词，此处用代词指代前文提到的“The Yellow River”，因此用代词it。故填it。
65．黄河是中国的象征。根据“The Yellow River is a symbol...China. We call it the ‘Mother River’.”及备选词汇可知，“a symbol of...”是固定搭配，意为“……的象征”，因此用介词of。故填of。
66．distance 67．hard 68．was determined to 69．survive 70．measured
本文主要讲述了一群露营者上个月在森林里迷路，尽管到村庄的距离不远，但茂密的树木和大雨让找路变得困难，他们的领队汤姆决心带领大家安全返回，最终他们成功回到了村庄。
66．到村庄的距离只有3公里。根据“was only 3 kilometres”可知，此处指的是到村庄的距离，distance“距离”，符合语境。故填distance。
67．但是茂密的树木和大雨使找到路变得困难。根据“the thick trees and heavy rain made it … to find the way”可知，此处表达的是茂密的树木和大雨使找到路变得困难，hard“困难的”，符合语境。故填hard。
68．他们的领队，一个名叫汤姆的年轻人，决心把每个人都安全地带回来。根据“take everyone back safely”可知，此处表达的是领队汤姆决心把每个人都安全地带回来，be determined to do sth“决心做某事”，符合语境，且根据语境可知，句子时态为一般过去时，主语为第三人称单数，be动词用was。故填was determined to。
69．“我们必须一起努力才能生存下来，”他说。根据“We must work together to…”可知，此处表达的是露营者们必须一起努力才能生存下来，survive“生存”，符合语境，且空格前有不定式符号to，所以此处用动词原形。故填survive。
70．他用指南针测量了方向，并带路。根据“the direction with a compass”可知，此处表达的是用指南针测量方向，measure“测量”，符合语境，且根据语境可知，句子时态为一般过去时，所以此处用动词的过去式。故填measured。
71．natural 72．runs 73．between 74．villages 75．to visit 76．relaxing 77．enjoy 78．best 79．usually 80．fun
本文主要介绍了漓江的自然景观、游览方式以及最佳游览时间，展现了漓江作为中国著名自然景观的独特魅力。
71．漓江是中国最著名的自然景观之一。根据“The Lijiang River is one of the most famous...sights in China.”和备选词汇可知，此处指“自然景点”，形容词natural“自然的”符合语境，修饰名词sights。故填natural。
72．漓江流经广西的许多地方。根据“The Lijiang River...through many places in Guangxi.”和备选词汇可知，此处指河流“流经”，动词run“流动”符合语境；主语“The Lijiang River”为第三人称单数，谓语动词用三单形式runs。故填runs。
73．桂林和阳朔之间83公里长的一段是最美的。根据“... Guilin and Yangshuo is the most beautiful.”和备选词汇可知，此处指“在……之间”，介词between“在……之间”符合语境。故填between。
74．游客可以看到壮观的喀斯特地貌、农耕村落和竹林。根据“... farming ... and bamboo forests.”和备选词汇可知，此处与“竹林”并列，指“村庄”，名词village“村庄”符合语境；此处泛指多个村庄，应用复数形式villages。故填villages。
75．有几种游览漓江的方式。根据“There are several ways ... the Lijiang River ...”和备选词汇可知，此处指“游览”漓江，动词visit“游览”符合语境；way to do sth.“做某事的方式”，故visit应使用不定式形式to visit。故填to visit。
76．最放松且受欢迎的方式是乘船游览。根据“The most ... and popular way is to take a boat tour.”和备选词汇可知，此处指“最放松的”方式，动词relax“放松”符合语境，此处需用relax的形容词relaxing与popular并列作定语修饰名词way。故填relaxing。
77．游客可能在船上度过四个小时，欣赏那些美丽的景色。根据“Visitors may spend four hours on the boat and ... those beautiful sights.”和备选词汇可知，此处指“享受、欣赏”，动词enjoy“享受”符合语境；与spend并列，情态动词may后接动词原形。故填enjoy。
78．一年中游览漓江的最佳时间是初秋。根据“the ... time of the year to visit the Lijiang River is in early autumn ...”和备选词汇可知，此处指“最好的”时间，形容词good“好的”符合语境，但此处the后需用形容词最高级形式best“最好的”。故填best。
79．在那段时间，天气通常凉爽干燥，还有一些阳光。根据“the weather is ... cool and dry with some sunshine.”和备选词汇可知，此处表示通常凉爽干燥。usually“通常”，符合对初秋天气的描述，符合语境。故填usually。
80．游客可以玩得很开心。根据“Visitors can have a lot of ... !”和备选词汇可知，此处指“乐趣”，不可数名词fun“乐趣”符合语境，a lot of后接不可数名词。故填fun。
81．largest 82．grow 83．conditions 84．reached 85．useful 86．it 87．survive 88．importance 89．than 90．natural
本文是一篇说明文，主要介绍了撒哈拉沙漠的地理特征、生存条件、资源开发以及环境保护措施。
81．它是世界上最大的沙漠，面积约900万平方公里。结合所给单词和“covering about 9,000,000 square kilometres”可知，此处表示它是世界上最大的沙漠，形容词large“大的”符合语境，根据“in the world”可知，此处应用其最高级形式，故填largest。
82．过去，那里的人类生活比其他地方要困难得多，因为在那里很难种植植物和找到水。结合所给单词和“plants”可知，此处表示种植植物，动词grow“种植”符合语境，根据“it was hard to...”可知，此处应用动词原形，故填grow。
83．撒哈拉沙漠拥有地球上最恶劣的生存条件之一。结合所给单词和“living...on earth”可知，此处表示生存条件，名词condition“条件”符合语境，“one of the+形容词最高级+可数名词复数”表示“最……之一”，所以此处应用其复数形式，故填conditions。
84．那里的最高温度曾经达到58℃。结合所给单词和“The highest temperature there once...58℃.”可知，此处表示温度达到58℃，动词reach“达到”符合语境，根据“once”可知，此处应用一般过去时，所以动词用过去式，故填reached。
85．骆驼是撒哈拉沙漠人们最有用的交通工具。结合所给单词和“Camels are the most...means of transportation (交通工具) for people in the Sahara Desert.”可知，此处表示骆驼是最有用的交通工具，用use的形容词形式useful，故填useful。
86．在那里的人们发现它之后，他们开始把它卖给其他国家。结合所给单词和“Oil is one of the richest mineral resources (矿产资源) in the Sahara Desert.”可知，此处表示把石油卖给其他国家，代词it指代前面的“Oil”，故填it。
87．但是现在人们在撒哈拉沙漠生存仍然很困难。结合所给单词和“But it is still hard for people to...in the Sahara Desert now.”可知，此处表示生存很困难，动词survive“生存”符合语境，根据“it is still hard for people to...”可知，此处应用动词原形，故填survive。
88．他们还有一些教育项目，让人们知道节约用水的重要性。结合所给单词和“the...of saving water”可知，此处表示节约用水的重要性，名词importance“重要性”符合语境，故填importance。
89．结果，撒哈拉沙漠比以前漂亮多了。结合所给单词和“much more beautiful...before”可知，此处表示比以前更漂亮，介词than“比”符合语境，故填than。
90．所以我们应该尽力保护自然世界。结合所给单词和“protect the...world”可知，此处表示保护自然世界，形容词natural“自然的”符合语境，修饰名词“world”，故填natural。
91．natural 92．sand 93．types 94．travellers 95．Explorers 96．colourful 97．successfully 98．beauty 99．alive 100．nature
本文是一篇说明文，主要介绍了世界各地的自然奇观，以及人们如何探索和保护这些自然奇观。
91．世界上有许多令人惊叹的自然奇观。结合所给单词和“wonders”以及下文“natural wonders”可知，此处表示自然奇观，形容词natural“自然的”符合语境，修饰名词wonders，故填natural。
92．有些是由沙子构成的，有些是由水形成的。结合所给单词和“Some are made of”可知，此处表示由沙子构成，名词sand“沙子”符合语境，不可数名词，故填sand。
93．不同类型的自然奇观每年吸引着众多游客。结合所给单词和“Different...of natural wonders”可知，此处表示不同类型的自然奇观，名词type“类型”符合语境，different后接可数名词的复数形式，故填types。
94．不同类型的自然奇观每年吸引着众多游客。结合所给单词和“attract lots of”可知，此处表示吸引众多游客。名词travel“旅行”的名词形式之一是traveller“游客”符合语境，lots of后接可数名词的复数形式，故填travellers。
95．探险者可以沿着安全路径行走。结合所给单词和“can walk along safe paths”可知，此处表示探险者，名词explorer“探险者”符合语境，可数名词，此处用复数形式表示泛指，故填Explorers。
96．最美的风景在顶端，在那里你能看见真正绚丽多彩的景色。结合所给单词和“you can see the truly…landscape”可知，此处指绚丽多彩的景色，用colour的形容词colourful修饰landscape。故填colourful。
97．公园成功地保护了这片广阔的区域，同时允许人们享受它的美景。结合所给单词和“protects this large place while allowing people to enjoy its...”可知，此处表示成功地保护，形容词successful“成功的”的副词形式successfully“成功地”符合语境，修饰动词protects，故填successfully。
98．公园成功地保护了这片广阔的区域，同时允许人们享受它的美景。结合所给单词和“enjoy its...”可知，此处表示享受美景，形容词beautiful的名词形式beauty符合语境。故填beauty。
99．我们必须共同努力，让这些奇观为后代留存。结合所给单词和“keep such wonders...for future generations”可知，此处表示让奇观留存，形容词alive“活着的”符合语境，作宾语补足语，故填alive。
100．让我们珍惜这些来自大自然的礼物，永远不要停止探索它们。结合所给单词和“Let’s cherish these gifts from...”可知，此处表示来自大自然的礼物，名词nature“大自然”符合语境，故填nature。

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