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Unit4 The Wonders of Nature
Opening Page& Section A 1a-2d
Class：________ Name：______________ Mark: ______________
【Learning Objectives】
1.Master vocabulary related to geography facts and use large numbers, describe natural wonders in English.
2.Use special questions (What's the ... / How ... is it ) to ask and answer about facts of places.
3.Enhance deep understanding of natural phenomena through comparison, analysis, and reasoning.
4.Improve comprehensive language application skills through listening, speaking.
【Learning Procedures（步骤）】
Step 1. Self-study
1.尼罗河：____________________ 2.珠穆朗玛峰：_____________________
3.撒哈拉沙漠：_________________ 4.死海：___________________________
5.马里亚纳海沟：_______________ 6.维多利亚瀑布：___________________
7.平方千米______________________ 8.低于海平面________________________
9.潜入深海______________________ 10.…… 的底部______________________
Step 2.Pre-listening
1.Do you know the name of the waterfall in the photo
2.Match the places with the pictures.(1a on page32)
Step 3.While-listening
1.Listen to the game plete the descriptions of the places..(1b on page32)
2.Listen again. Complete the measurements.(1c on page32)
Step 4.Post-listening
Talk about the places you have learnt about.(1d)
Step5.Pre-listening
What do you know about the deep sea Complete the sentences with the information from the picture.(2a on page33)
Step 6.While-listening
1. A class is asking a deep-sea researcher some questions after his talk. Listen and tick the topics they discuss.(2b)
2. Listen again. Complete the sentences with the facts from the conversation.(2c )
Step 7.Post-listening:
Read the questions and think of more you would like to ask the deep-sea researcher. Research the answers. Then ask and answer the questions with a partner.(2d)
Step 8.Language Points
1. wonder v. 想知道；感到惊奇 n. 奇迹；奇观
---- wonderful adj. 精彩的；绝妙的 ---- wonderland n. 仙境；奇境
(1)想知道，后常接宾语从句、疑问词+不定式结构,相当于want to know。
(2)感到惊奇；惊叹，常用搭配wonder at sth
(3)作名词，意为“奇迹；奇观”，常用搭配 the wonders of...（……的奇迹）
1).We all wonder __________ (at/in/for) the beauty of the sunset.
2). We had a __________________(wonder) time at the beach last weekend.
3). The Grand Canyon(科罗拉多大峡谷) is one of the natural __________))___ (wonder)in the world.
2. Its surface is 416 metres below sea level.
below 作介词时，强调 “位置、数值、等级等处于另一事物的下方或更低水平”，不强调 “垂直正下方”（对应的反义词为above） 。也可用于抽象概念（如温度、排名、标准）
below sea level 意为“低于海平面”
1) The Dead Sea is one of the few places on Earth that is _______________________.（死海是地球上少数几个低于海平面的地方之一。）
2)The river ___________________________________ is very clear（桥下面的那条河很清澈。）
3. OCEAN DEPTHS
〔名词〕深（度）；纵深
询问某物的深度时，常用句型“What’s one’s depth ”或“What’s the depth of... ”，相当于“How deep is/are... ”
1)What’s the depth of the lake here =_________________________________________________
4. A whale can dive to....
〔动词〕潜水；跳水；俯冲
1) I _________________ below the surface of the water. 我潜入了水中。
〔名词〕潜水；跳水；俯冲
2)The _______________ made a_____________to a depth of 18 metres. 那名潜水者潜到了18 米水深处。
5.What is the bottom of the deep sea like
bottom 作名词，意为是“底部；最下部” the bottom of + 名词 ……的底部
at the bottom of ... 在……的底部 from top to bottom：从头到尾；完全地
1)The Titanic lies ___________________________________ the Atlantic Ocean.
2) She cleaned the house _____________________________ before the guests came.
Step 9.Exercise
用括号中所给单词的适当形式填空
1.I have ____________ (many) English books than my sister.
2.Mount Qomolangma is the ____________ (high) mountain in the world.
3.The Yellow River is the second ____________ (long) river in China.
4.We used simple tools for the _______________ (measure) of the tree’s diameter (直径).
5. In the dancing contest， Nancy danced as ____________ as Mary，but Lisa danced even ____________ than any other girl. (well)
6. He jumped the _______________ (far) among all the students in the sports meeting.
7. Our school is about 200 square ______________________ (kilometre).
8. The long river ____________________ (travel) through many cities and finally flows into the sea.
9. There are ____________________ (hundred) of students in the hall waiting for the performance.
10. Our school library is the ___________ (large) one in the district, with a lot of different kinds of books.
11. The Mariana Trench is the ________________ (deep) point in the ocean.
12. Nobody worked out the maths problem. It was ____________________________ (difficult) one of all.
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