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广州市八年级英语下册暑假专题大通关
组合训练（二）
一、语法选择
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，从A、B、C、D项中选出最佳选项。
Last year, I went to a small village with my family. There I met 1 lovely dog. It was thin and looked very sad. I found it couldn’t walk well 2 its left leg was hurt.
I felt sorry for it and decided 3 it. Every day, I brought food and water to it. I also cleaned its small house. Little by little, it got 4 than before. It started to run around and play with 5 . It became my best friend in the village.
One day, I saw a little boy fall into the river. The dog ran to the river 6 quickly. It jumped into the water and swam towards the boy. It held the boy’s clothes with its mouth and pulled 7 to the bank. With the dog’s help, the boy 8 . All the people there praised the dog for its bravery.
It was wrong 9 some people to hurt animals. Animals are our friends. They can bring us happiness and even help us in danger. It is important 10 us to protect them. We should be kind to animals and live with them 11 .
When I had to leave the village, I was very sad. The dog followed me for a long way. I promised 12 back to see it often. Now, I often write letters to my grandma and ask 13 to look after the dog well.
I think animals have feelings just like us. We must stop 14 them. It’s never too late 15 love and protect animals. They need our help and care.
1．A．a B．an C．the D．/
2．A．so B．because C．but D．and
3．A．help B．helped C．helping D．to help
4．A．strong B．stronger C．strongest D．the strongest
5．A．I B．my C．me D．mine
6．A．so B．such C．too D．quite
7．A．he B．him C．his D．himself
8．A．save B．saves C．was saved D．saved
9．A．for B．of C．with D．to
10．A．for B．of C．on D．about
11．A．peace B．peaceful C．peacefully D．more peaceful
12．A．come B．came C．coming D．to come
13．A．she B．her C．hers D．herself
14．A．hurt B．hurts C．hurting D．to hurt
15．A．show B．showed C．showing D．to show
二、完形填空
I always thought communication was mostly about words. But a trip to Japan last summer totally changed my 16 .
During my stay, I joined a cultural exchange programme. My host family was warm and welcoming, but my Japanese was very limited. When we first met, the grandmother, Yuki-san, came into the living room and gave me a slow, deep 17 . I wasn’t sure what to do, so I quickly bowed back. She smiled and nodded, and somehow, without a single word, I felt completely 18 .
The next day, I visited a local market with my host sister, Hana. I pointed at a beautiful ceramic bowl and raised my eyebrows 19 , hoping she would understand I was asking about the price. She caught on immediately and held up five fingers. I grinned and nodded—we had 20 perfectly, without saying a word.
However, not every moment was so smooth. At dinner one night, I leaned back in my chair and stretched my arms wide—a habit I had when I felt relaxed. Hana looked slightly 21 . Later, she explained that such gestures could seem rude at the dinner table in Japanese culture. I felt my face turn red with 22 .
That experience made me realize something important. Body language is not 23 across cultures. A thumbs-up might mean “great” in one country but could cause 24 in another. Even a simple smile can carry very different meanings depending on the situation.
By the end of my trip, I had learned to 25 the unspoken signals around me more carefully. Real communication, I discovered, is not just about the words you speak—it is also about what your body says without making a sound.
16．A．decision B．habit C．mind D．schedule
17．A．wave B．bow C．handshake D．nod
18．A．ignored B．nervous C．welcome D．confused
19．A．angrily B．repeatedly C．questioningly D．carelessly
20．A．argued B．communicated C．competed D．disagreed
21．A．uncomfortable B．excited C．amused D．relaxed
22．A．pride B．embarrassment C．relief D．confidence
23．A．universal B．necessary C．understandable D．popular
24．A．pleasure B．trouble C．interest D．silence
25．A．give up on B．pay attention to C．turn away from D．catch up with
三、阅读理解
A
Zhai Yuliang becomes extra busy whenever the holidays are around the corner. The Beijinger, in his 60s, has just finished a pair of palace lanterns for a courtyard home in the capital.
“The owner wants every part of them to be done in the old-fashioned way, so that they will fit perfectly with the grand style of their historical house,” says Zhai, who has practiced the craft for more than four decades. One of the most popular styles, which is also Zhai’s favorite, is the double-layered octagonal (八角形的) palace lantern. It’s full of Chinese elements, and features dragon heads and many other specific patterns.
However, he stresses the essential elements to be classified as palace lanterns—hand-painted scenes and Chinese knots (中国结) as decoration. Most importantly, they must be created using the specific techniques, which require over 100 steps.
To make a palace lantern, a single craftsman has to do everything from the woodwork to the painting. “It takes months to make a palace lantern,” Zhai says. “It requires the skills of a woodworker, the knowledge of a mechanic, an appreciation of classical architecture, poetry, painting and an additional talent for mortise-and-tenon joints (榫卯) by hand before they can create the right carvings and layer combinations.”
Zhai has received many invitations from communities and institutes to show the charm of palace lanterns. He particularly enjoys hosting workshops where he teaches people to make lanterns themselves. He is enchanted to see the smiles of children and the expressions of adults when they complete their works under his guidance.
He believes his lifelong devotion to this craft has been worthwhile. His lanterns can be seen in such locations as the Tian’anmen Square and many overseas sites that promote friendship with China.
“Wherever you are, when you see a palace lantern, you know there’s a connection to China,” Zhai says.
26．What is a must for a palace lantern
A．A dragon head in grand style. B．Application of over 100 techniques.
C．Hand-painted scenes and Chinese knots. D．A double-layered octagonal pattern.
27．Which of the following best describes the process of making a palace lantern
A．Boring. B．Efficient. C．Creative. D．Challenging.
28．The underlined word “enchanted” in Paragraph 5 is closest in meaning to ________.
A．surprised B．confused C．pleased D．stressed
29．Which statement about palace lanterns may Zhai Yuliang agree with
A．They bring him fame and fortune. B．They act as a cultural link to China.
C．They’re well preserved in overseas locations. D．They connect him with many other craftsmen.
B
Artwork is lovely to look at and it has the power to make people feel and think differently. But do you know that when people see a real work of art, compared to just looking at a photo of it, they may experience stronger feelings Scientists carried out a study at the Mauritshuis Museum, the home to Girl with a Pearl Earring, a very famous painting.
① The scientists watched how people reacted (反应) to a few paintings. First, they asked the volunteers to look at the real paintings on show, and then at photos of the art works in the museum shop. ② It showed that their reactions were 10 times stronger when they looked at the real paintings.
③ How did that happen Through study, people may experience something called the “sustained attentional cycle” when they watch a certain painting. The girl’s left eye first drew the volunteers’ attention, then her mouth, and then her pearl earring. This certain order of eye movements repeated in a cycle. Each time they finished the cycle, their focus became stronger and their connection with Girl with a Pearl Earring was deeper.
④ The director of the Mauritshuis, Martine Gosselink, said that the study shows how important it is to go and see art in real life, whether it’s paintings or dancing. She added, “It really helps develop your brain.” The scientists now want to broaden their study, planning to visit other museums and do research on works like Mona Lisa by Leonardo da Vinci.
30．What’s the purpose of the study
A．To show different ways to study a painting.
B．To find a better way to help people enjoy the paintings.
C．To find differences between a painting and its photo.
D．To study people’s reactions to real art and its photos.
31．We can put the following sentence “The team found that the group reacted even more strongly to Girl with a Pearl Earring.” in ______.
A．① B．② C．③ D．④
32．Which one shows the relationship between the time people spend in watching a painting(x) and people’s focus(y)
A． B． C． D．
33．What can we infer from Paragraphs 3 and 4
A．People’s eye movements stay in a mess when enjoying real paintings.
B．Repeated eye cycles help people connect more with a painting.
C．The scientists have visited other museums for further research.
D．Enjoying real art does good to people’s bodies instead of their brains.
34．Which would be the best title for the text
A．The Power of Real Works of Art
B．Lessons from Real Works of Art
C．The Way to Enjoy Real Works of Art
D．A Visit to Real Works of Art
C
Do you know anything about the Moon How much do you know about it Do you want to go there Scientists have told us so much about the Moon.
They have discovered that the Moon is an unfriendly place. There is no air or water. There are only dust and rocky mountains covering its surface. 35 When the Sun shines in the day, the temperature is very high. Daytime temperature can reach 127℃ when the Sun shines, hot enough to boil water! But at night, it drops to -173℃, colder than Antarctica.
36 As we know, sound needs a medium such as air, water or solid rock to travel, but there is no air on the Moon. Without air, sound cannot travel. Although two astronauts stood close, they would need radios to communicate. Even a loud crash would be completely silent!
From the Moon, Earth looks like a bright blue-and-white ball hanging in the dark sky. The scene would be wonderful. 37
38 In 2013, Chang’e-3 became the first Chinese spacecraft to soft-land on the Moon, carrying the Yutu rover that studied lunar soil for 31 months. In 2020, Chang’e-5 successfully brought back 1,731 grams of lunar samples, helping scientists discover new facts about the Moon’s volcanic history. 39
Would you like to join future missions to build a lunar research station
A．The Moon is also a silent world.
B．Though challenging, China has made amazing progress in exploring the Moon.
C．These achievements show China’s growing space technology.
D．The temperature of the Moon is different from day to night.
E．Many astronauts say seeing Earth from space changes their ideas about our planet.
四、任务型阅读
Last year, I left my job and went to work without pay in the rainforest. So many people have said to me, “I would love to do something like that.” And I say, “If you want to, just do it.” They always reply, “I cannot.” But, if you really want to do it, there are ways to make it happen.
After three days’ training, I started work on an environmental project with a group of young people. The living place was very basic and we had to build our own place to sleep. This included a simple bed, a cloth roof and a net to keep insects out.
It was never dangerous there, but it was very challenging. There were things that we didn’t think we would manage to do, but we did. I had some of my worst moments there, but also some of my best—it made me feel alive. I didn’t miss my home as much as I thought. We had food, water, somewhere to stay, about three sets of clothes and really good friends. We were in the most beautiful place and we had things to keep us busy. We didn’t need any more.
One of the volunteers said, “Before we came here, it was really important to me what clothes I wore and who my friends were. I was always thinking about shoes, but really none of that matters. Here, people accept me for who I am, what I believe and think, not for what kind of clothes I’ve got.” What she said truly came from the bottom of my heart.
40．Where did the author work last year
41．What did the author do before she started on an environmental project
42．What was the author’s living place like
43．What did the volunteer think was important before she came to the forest
44．What do you think of the volunteers’ work Why
五、选词填空
请从方框内选择适当的词并根据需要，用其正确形式填空，使文章完整连贯。注意每空一词，每词仅用一次，有两词为多余选项。
A．to B．graduate C． mind D．priceless E. preserve F. for G. valueless
Dunhuang’s Mogao Caves is one of China’s first UNESCO World Heritage Sites. The caves are full of 45 wall paintings and sculptures that have survived for over a thousand years. Unfortunately, the site has been damaged by sand, weather and human activity.
Fan Jinshi began working as an archaeologist in Dunhuang after she 46 from Peking University. One day, she discovered that some caves had changed completely and some old artworks were gone. She made up her 47 immediately: she had to save these cultural treasures no matter how difficult it would be.
Fan and her colleagues did everything they could to slow down the damage. However, they soon realized that the caves simply wouldn’t last forever in such a harsh natural environment. Thanks 48 her determination, Fan came up with a new idea — making digital copies of all the paintings. This was the start of the Digital Dunhuang project.
Fan has dedicated her life to 49 this important part of China’s cultural heritage. “The longer I’ve stayed here, the deeper my love has grown for Dunhuang,” she said. That is why people call her “the daughter of Dunhuang”.
六、短文填空
阅读短文，用括号内所给词的适当形式填空或填入合适单词。
Many 50 (animal) are in great danger now. We must do something 51 (protect) them right now.
Animals are our close friends. They play an important part in 52 (we) nature. However, some people kill animals for 53 (they) fur and meat. Also, people keep 54 (cut) down forests, so animals are losing their homes day by day.
It is wrong 55 people to kill wild animals. It is necessary 56 us to take action. We should stop 57 (buy) things made from endangered animals. We can plant more trees to make the environment much 58 (good).
Our government makes laws 59 (punish) illegal hunters. Let’s try our best to save animals in danger.
/ 让教学更有效 高效备考 | 英语学科
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试卷第1页，共3页
参考答案
1．A 2．B 3．D 4．B 5．C 6．A 7．B 8．C 9．B 10．A 11．C 12．D 13．B 14．C 15．D
【导语】本文讲述作者在村庄救助一只受伤狗，狗后来救了落水男孩，作者由此呼吁大家善待并保护动物的故事。
【详解】1．句意：在那里我遇到了一只可爱的狗。
泛指“一只可爱的狗”用不定冠词，lovely以辅音音素开头，因此用a。an用于元音音素前；the表特指；/不符合语法。
2．句意：我发现它没法正常走路，因为它的左腿受伤了。
“不能正常走路”和“左腿受伤”是因果关系，后半句解释原因，用连词because。so表结果；but表转折；and表并列。
3．句意：我为它感到难过并决定帮助它。
固定搭配decide to do sth，意思是“决定做某事”，因此用不定式to help。其余选项搭配错误。
4．句意：它变得比以前更强壮了。
than是比较级的标志，此处把狗现在和之前的状态作对比，用strong的比较级stronger。其余选项均不符合than的用法。
5．句意：它开始四处跑并和我玩。
介词with后要接人称代词宾格作宾语，I的宾格是me。I“我”，主格作主语；my“我的”，后接名词；mine“我的”，名词性物主代词。
6．句意：狗如此快地跑向河边。
so可以修饰副词，此处quickly是副词，so quickly意为“如此迅速地”符合语境。such“如此”，修饰名词；too“太”，语义不符；quite“很”，语气较弱。
7．句意：它用嘴咬住男孩的衣服并把他拉向岸边。
动词pull后要接人称代词宾格作宾语，指代男孩用him。he“他”，主格；his“他的”，物主代词；himself“他自己”，反身代词。
8．句意：在狗的帮助下，男孩被救了。
男孩和“救”是被动关系（男孩被救），事情发生在过去，用一般过去时的被动语态was saved。save主动；saves主动三单；saved主动过去式。
9．句意：有些人伤害动物是错误的。
固定句型It’s+adj.+of sb to do sth，当形容词是对行为发出者的评价（wrong“错误的”，是对伤人者行为的评价）时，用介词of。for常用于描述事物性质；with/to搭配不当。
10．句意：对我们来说保护它们很重要。
固定句型It’s+adj.+for sb to do sth，当形容词描述事情的性质（important“重要的”，描述“保护动物”这件事）时，用介词for。of用于描述人；on/about搭配不当。
11．句意：我们应该善待动物并与它们和平相处。
此处需要用副词修饰动词live，peacefully“和平地”，副词。peace“和平”，名词；peaceful“和平的”，形容词；more peaceful“更和平的”，形容词的比较级。
12．句意：我承诺经常回来看它。
固定搭配promise to do sth，意思是“承诺做某事”，因此用不定式to come。come原形，came过去式，coming动名词，均搭配错误。
13．句意：现在，我经常写信给奶奶并请求她照顾好狗。
动词ask后要接人称代词宾格作宾语，指代前文的grandma，用宾格her。she“她”，主格；hers“她的”，名词性物主代词；herself“她自己”，反身代词。
14．句意：我们必须停止伤害它们。
stop doing sth意思是“停止正在做的事”，stop to do sth意思是“停下来去做另一件事”，此处表示“停止伤害动物”，因此用hurting。hurt原形；hurts三单；to hurt表示停下来去伤害。
15．句意：表达关爱、保护动物，永远不晚。
固定结构It’s never too late to do sth，意思是“做某事永远不嫌晚”，因此用不定式to show。show原形，showed过去式，showing动名词，均不符合结构。
16．C 17．B 18．C 19．C 20．B 21．A 22．B 23．A 24．B 25．B
【导语】本文讲述作者在日本旅行期间，通过经历意识到肢体语言在不同文化中存在差异，强调了非语言交流的重要性。
【详解】16．句意：但去年夏天的一次日本之旅完全改变了我的想法。
前文说作者原本认为交流只靠语言，日本之旅改变了他原本的想法，change one’s mind是固定搭配，意为“改变想法”，应填mind。decision“决定”、habit“习惯”、schedule“日程”不符合语境。
17．句意：祖母走进客厅，向我缓慢深深地鞠了一躬。
根据上下文，后文提到作者立刻鞠躬回礼“bowed back”，说明奶奶先向作者行了鞠躬礼，bow“鞠躬”符合日本见面礼仪和上下文逻辑。wave“挥手”、handshake“握手”、nod“点头”，均与后文动作不对应。
18．句意：不知何故，没有一个字，我感到完全被欢迎。
寄宿家庭很热情，奶奶微笑点头互动后，作者没说一句话就感受到了接纳，应填welcome“被欢迎的”符合正向语境。ignored“被忽视”、nervous“紧张”、confused“困惑的”均与积极语境矛盾。
19．句意：我指着一个漂亮的陶瓷碗，疑问地扬起眉毛。
作者指着碗想询问价格，因此抬眉毛是带着疑问的神态，questioningly“带有疑问地”，符合询问的语境。angrily“生气地”、repeatedly“重复地”、carelessly“粗心地”，均不符合询问价格的语境。
20．句意：我们完美地交流了，没说一个字。
文章核心讲“交流”，作者和“host sister”没说话就完成了互动，此处指两人完美完成了交流，应填communicated“交流”符合文意。argued“争论”、competed“竞争”、disagreed“不同意”均与和谐互动的语境不符。
21．句意：Hana看起来有点不舒服。
作者伸开手臂的动作在日本餐桌文化中是不礼貌的，因此Hana看到后会觉得有点不舒服，应填uncomfortable“不舒服的”。excited“兴奋的”、amused“被逗乐的”、relaxed“放松的”均与粗鲁行为导致的反应不符。
22．句意：我感到脸因尴尬而变红。
作者知道自己失礼后，因为尴尬脸红，应填embarrassment“尴尬”。pride“骄傲”、relief“解脱”、confidence“自信”，均与羞愧的情感色彩不符。
23．句意：肢体语言在不同文化中并非通用的。
后文提到不同文化中肢体语言含义不同，因此这里想表达“肢体语言不是跨文化通用的”，应填universal“通用的、普适的”。necessary“必要的”、understandable“可理解的”、popular“流行的”均无法体现文化差异。
24．句意：但在另一个国家可能引起麻烦。
同一个肢体语言在不同国家含义不同，不合适的表达会引发麻烦，cause trouble意为“造成麻烦”，应填trouble。pleasure“快乐”、interest“兴趣”、silence“沉默”，均为正面或中性，不符逻辑。
25．句意：在我的旅行结束时，我学会了更仔细地关注周围的无声信号。
经历过后作者学会了更仔细地留意身边无声的肢体信号，应填pay attention to“注意、留意”。give up on“放弃”、turn away from“避开”、catch up with“赶上”，均与学习沟通的目的相反。
26．C 27．D 28．C 29．B
【导语】本文主要介绍了翟玉良与中国传统工艺“宫灯”，强调宫灯文化的重要性。
【详解】26．根据第三段“However, he stresses the essential elements to be classified as palace lanterns—hand-painted scenes and Chinese knots (中国结) as decoration.”可知，手绘场景和作为装饰的中国结是宫灯的基本要素。
27．根据第四段“It takes months to make a palace lantern,”和“It requires the skills of a woodworker, the knowledge of a mechanic, an appreciation of classical architecture, poetry, painting and an additional talent for mortise-and-tenon joints (榫卯) by hand before they can create the right carvings and layer combinations.”可知，制作宫灯需要耗时数月，且工匠需要掌握木工技能、机械知识、古典建筑欣赏、诗歌绘画以及手工榫卯等多种能力，这说明制作过程非常复杂且要求高，Challenging“具有挑战性的”最能概括这一过程。
28．根据第五段“see the smiles of children”可知，在这种语境下，看到学员完成作品后的微笑，他的心情应该是愉悦和高兴的，pleased“高兴的”与enchanted在此处的含义最接近。
29．根据最后一段“Wherever you are, when you see a palace lantern, you know there’s a connection to China,”可知， 翟玉良认为宫灯是中国文化的纽带。
30．D 31．B 32．A 33．B 34．A
【导语】本文是一篇说明文，主要讲述了科学家在荷兰毛里茨海斯博物馆进行的一项研究，发现人们观赏真迹画作时的反应强度是看照片时的10倍，并探讨了其背后的“持续注意力循环”机制，强调了亲自观赏真实艺术品的重要性。
【详解】30．第一段指出研究的目的：“Scientists carried out a study at the Mauritshuis Museum”，并说明对比的是“when people see a real work of art, compared to just looking at a photo of it, they may experience stronger feelings”，即研究人们对真迹和照片的不同反应。
31．所给句子“The team found that the group reacted even more strongly to Girl with a Pearl Earring.”应放在序号②处。序号①的后文描述实验过程，序号②的后句给出结论“their reactions were 10 times stronger when they looked at the real paintings”，而所给句子是对此结论的进一步具体化，提到了具体画作《戴珍珠耳环的少女》。
32．第三段提到：“Each time they finished the cycle, their focus became stronger and their connection with Girl with a Pearl Earring was deeper.”说明随着观看时间（x）增加，专注度（y）不断增强，呈正相关上升趋势。
33．第三段明确说明：“This certain order of eye movements repeated in a cycle. Each time they finished the cycle, their focus became stronger and their connection...was deeper.”即重复的眼球运动循环帮助人们与画作建立更深的联系。
34．全文围绕真实艺术品比照片更能引发强烈情感展开，强调了真迹的力量，因此A项“The Power of Real Works of Art”最能概括全文主旨。
35．D 36．A 37．E 38．B 39．C
【导语】本文是一篇说明文，主要介绍了月球的环境特点与人类探月活动，包括月球的温度、声音传播、从月球看地球的景象，以及中国的探月工程进展。
【详解】35．空格后文详细描述了月球白天温度高达127℃，夜晚降至-173℃，主要讲的是月球昼夜温差大。选项D“The temperature of the Moon is different from day to night.”概括了这一段的主题，符合语境。
36．空格后文提到声音需要介质（空气、水、固体都可以）才能传播，月球没有空气，所以即使近距离也需要无线电交流，巨大的撞击也是无声的。这说明月球上没有声音。选项A“The Moon is also a silent world.”作为段首句，引出了关于声音的讨论，符合逻辑。
37．空格前文描述了从月球看地球像一个明亮的蓝白球体，景象美妙。选项E“Many astronauts say seeing Earth from space changes their ideas about our planet.”承接了“看地球”这一话题，进一步升华了“viewing Earth”的意义，符合段落结尾的语境。
38．本段后文列举了2013年嫦娥三号和2020年嫦娥五号的具体成就。选项B“Though challenging, China has made amazing progress in exploring the Moon.”作为段首主题句，总领全段关于中国探月“progress”的内容，符合逻辑。
39．空格前文列举了嫦娥三号着陆和嫦娥五号采样返回的具体成就。选项C“These achievements show China’s growing space technology.”中的“These achievements”指代前文提到的任务，是对本段内容的总结，符合语境。
40．In the rainforest. 41．The writer had three days’ training. 42．It was very basic, with a simple bed, a cloth roof, and a net to keep insects out. 43．What clothes she wore and who her friends were. 44．I think the volunteers’ work is very meaningful because they can help protect the Earth.
【导语】本文是一篇记叙文。文章主要讲述了作者去年辞去工作去雨林做志愿者的经历，描述了那里的生活条件、挑战以及内心的感悟。
【详解】40．文章第一段中提到“Last year, I left my job and went to work without pay in the rainforest.”，说明作者去年在雨林工作。
41．文章第二段提到“After three days’ training, I started work on an environmental project with a group of young people.”，说明作者在开始项目前进行了三天培训。
42．文章第二段中提到“The living place was very basic and we had to build our own place to sleep. This included a simple bed, a cloth roof and a net to keep insects out.”，说明作者的工作居住地很简陋，有一张床铺、一个布质屋顶和防虫网。
43．文章第四段中提到“Before we came here, it was really important to me what clothes I wore and who my friends were.”，说明志愿者之前认为穿着和朋友很重要。
44．开放性题目，根据文章内容回答合理即可。通读全文可知，这是一项环境项目，且志愿者们在艰苦的环境中收获了成长，明白了内心的认可比外在物质更重要。因此这份工作既保护了环境又促进了个人成长，是有意义的。
45．priceless 46．graduated 47．mind 48．to 49．preserving
【导语】本文主要讲述敦煌莫高窟有无价的壁画和雕塑；樊锦诗北大毕业后，决心毕生致力于保护这些文化遗产，使它们被视为人类艺术杰作。
【详解】45．句意：这些洞窟里满是无价的壁画和雕塑，它们已经保存了一千多年。敦煌的壁画和雕塑是珍贵的文化遗产，用priceless（无价的、极珍贵的）；而valueless是“无价值的”，和句子表达的意思相反，所以排除。
46．句意：樊锦诗从北京大学毕业后，就开始在敦煌担任考古学家。graduate from是固定搭配，意为“从……毕业”；句子时态为一般过去时，所以用graduate的过去式graduated。
47．句意：她立刻下定决心：无论有多困难，她都必须拯救这些文化瑰宝。make up one's mind是固定短语，意为“下定决心”，这里需要填mind。
48．句意：多亏她的决心，樊锦诗想出了一个新办法——为所有壁画制作数字副本。thanks to是固定搭配，意为“多亏、由于”。
49．句意：樊锦诗毕生致力于保护中国文化遗产中这一重要的部分。dedicate one’s life to doing sth. 是固定用法，意为“毕生致力于做某事”，to是介词，后面要跟动名词形式。
50．animals 51．to protect 52．our 53．their 54．cutting 55．of 56．for 57．buying 58．better 59．to punish
【导语】本文讲述了动物濒危的原因，呼吁大家拒绝购买动物制品、多植树，配合法律保护野生动物，一起尽力拯救濒危动物。
【详解】50．句意：如今许多动物正处于极大的危险之中。many后接可数名词复数animals“动物”。
51．句意：我们必须立刻采取行动保护它们。此处需动词不定式表目的，protect“保护”的动词不定式为to protect。
52．句意：它们在我们的大自然中扮演着重要的角色。修饰名词nature，用we的形容词性物主代词our。
53．句意：然而，一些人为了获取动物的皮毛和肉食而猎杀它们。修饰名词fur and meat，用they的形容词性物主代词their。
54．句意：此外，人们不断砍伐森林，动物也一天天失去自己的家园。固定搭配keep doing sth表示“持续做某事”，需填动词cut的动名词cutting。
55．句意：人类猎杀野生动物是错误的。描述人的品行需固定结构It’s+adj. of sb. to do.，意为“某人做某事是……的”。故填of。
56．句意：我们也有必要行动起来。评价事情的属性需用固定句型It’s necessary for sb. to do.意为“做某事对某人来说很有必要”。故填for。
57．句意：我们应该拒绝购买濒危动物制品。固定搭配stop doing sth表示“停止做某事”，此处意为停止购买濒危动物制品，应填动词buy的动名词buying。
58．句意：我们可以多植树，让环境变得更好。make sth adj“使某物……样”，固定搭配。much修饰形容词比较级，good的比较级为better，符合“让环境更好”的语境。
59．句意：我国政府制定法律来惩处非法捕猎者。此处用不定式表目的，制定法律的目的是惩罚非法猎人，需动词不定式to punish。
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