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Unit 4 The Wonders of Nature
Section A
一、词汇运用
A. 根据句意及汉语提示填写单词
1. The Amazon Rainforest is a famous ________（自然的）wonder with rich plants and animals.
2. The ________（形状）of the strange rock looks exactly like a flying bird.
3. No one knows the exact ________（深度）of this deep lake; it remains a mystery.
4. The beautiful scenery here can ________（吸引）thousands of visitors every year.
5. As we explore natural wonders, we can feel the ________（广阔的）beauty of nature.
B. 用所给单词的适当形式填空
6. My brother ________（see）the vast desert in the west when he traveled last summer.
7. We ________（learn）about many natural wonders since we started this unit.
Let’s ________（discuss）the features of different natural wonders in groups.
8. She ________（not find）out the mystery of the ancient cave yet.
9. Our teacher often ________（guide）us to describe natural wonders in English.
C. 从方框中选词填空（每词限用一次）
natural, shape, depth, attract, vast
10. The ________ desert in Africa is one of the most amazing natural wonders in the world.
11. It’s hard to believe that wind and rain can change the ________ of rocks over time.
12. This lake is famous for its great ________; even scientists can’t measure it accurately.
13. The ________ scenery of the mountains at sunrise always makes people feel relaxed.
14. Colorful flowers and lovely animals ________ many visitors to this natural park every year.
二、单项选择
从A、B、C、D四个选项中，选出最佳选项。
1. —________ natural wonders have you visited since last year —Three. They are all amazing.
A. How many B. What C. When D. Where
2. We ________ try to protect natural wonders, because they are precious gifts from nature.
A. is B. are C. should D. shouldn’t
3. He ________ a lot about natural wonders since he read the book about them.
A. know B. knows C. knew D. has known
4. —Did you use to know little about the Grand Canyon —Yes, I did. But now I know it’s a ________ natural wonder.
A. small B. vast C. boring D. common
5. The girl feels excited because she ________ the beautiful waterfall for the first time.
A. sees B. saw C. has seen D. will see
6. They ________ a plan to explore the natural cave last weekend, and they will start tomorrow.
A. make B. makes C. made D. will make
7. —How did you learn about the mystery of the lake —I learned it ________ watching a documentary.
A. by B. on C. in D. with
8. She ________ a diary about her experience of visiting natural wonders every day.
A. write B. writes C. wrote D. will write
9. —When did you start to explore natural wonders —I started it ________ I was 11 years old.
A. in B. on C. at D. when
10. This is a very useful way to ________ our knowledge of natural wonders. It helps us learn better.
A. book B. improve C. story D. rule
11. He ________ knew about the Victoria Falls, but now he has learned a lot about it.
A. usually B. often C. used to D. hardly ever
12. —Who guided you to describe natural wonders in English —I was guided by my ________.
A. parents B. teacher C. classmates D. all of the above
13. It ________ her about two hours to finish describing the natural wonder yesterday.
A. took B. spent C. cost D. paid
14. —What did you do in the English class yesterday —I ________ down the key words about natural wonders on the notebook.
A. write B. writes C. wrote D. will write
15. The teacher ________ us that exploring natural wonders can help us know more about nature every class.
A. tell B. tells C. told D. will tell
三、句型转换
1. He described the natural wonder in English last class.（改为否定句）
________________________________________________________________
2. They visited the ancient cave with mysterious rocks last month.（改为一般疑问句）
________________________________________________________________
3. We should explore natural wonders to learn more about nature.（改为同义句）
________________________________________________________________
4. She found out the depth of the lake because of her teacher’s help.（改为否定句）
________________________________________________________________
5. Did you attract your classmates to join the natural wonder exploration （作否定回答）
________________________________________________________________
6. They discussed the features of the natural waterfall in the class meeting.（改为一般疑问句）
________________________________________________________________
7. I went to the mountain to enjoy the natural scenery by bike yesterday.（改为同义句）
________________________________________________________________
Section B
一、词汇运用
A. 根据句意及汉语提示填写单词
1. We should be ________（勇敢的）to explore the mystery of natural wonders.
2. It’s important to ________（分享）our findings about natural wonders with classmates.
3. It’s ________（必要的）for us to protect rare natural wonders from being destroyed.
4. Finding out the secret of the natural wonder makes me feel ________（自信的）.
5. The ________（神秘）of the deep sea natural wonders interests many scientists.
B. 用所给单词的适当形式填空
6. She ________（share）her findings about natural wonders with her group yesterday.
7. We ________（learn）how to protect natural wonders last weekend.
8. They ________（keep）a record of natural wonders they visited yesterday afternoon.
9. He ________（not share）his ideas about natural protection because he was too shy.
10. The teacher ________（tell）us the importance of protecting natural wonders yesterday.
C. 从方框中选词填空（每词限用一次）
brave, share, necessary, confident, mystery
11. It’s ________ for us to learn how to protect natural wonders. It’s our duty.
12. The ________ boy dares to explore the dark natural cave and find its secrets.
13. We should ________ our experiences of visiting natural wonders to help each other.
14. Solving the ________ of the natural wonder makes me feel proud and confident.
15. She is ________ that she can introduce natural wonders in English fluently.
二、单项选择
从A、B、C、D四个选项中，选出最佳选项。
1. —________ did you learn about how to protect natural wonders —From our English teacher’s lecture.
A. What B. Where C. When D. How
2. She ________ her findings about natural wonders with her new classmates yesterday.
A. share B. shares C. shared D. will share
3. —Did you keep a record of natural wonders last month —Yes, I did. I ________ to write down every detail.
A. try B. tries C. tried D. will try
4. The ________ of protecting natural wonders is that we can pass them on to future generations.
A. meaning B. happy C. brave D. confident
5. He was ________ when he found out the mystery of the ancient natural rock.
A. sad B. excited C. bored D. tired
6. They ________ a lot about natural protection and mystery during the class meeting last Friday.
A. learn B. learns C. learned D. will learn
7. —How long did it take you to finish your natural wonder report yesterday —It took us ________ forty minutes.
A. about B. in C. on D. at
8. This is a ________ way to remember the features of natural wonders. It helps us learn faster.
A. boring B. bad C. useful D. ordinary
9. She ________ to her teacher about her questions on natural wonders yesterday.
A. go B. goes C. went D. will go
10. —When did you finish learning about natural protection —I finished it ________ yesterday afternoon.
A. in B. on C. at D. /
11. It’s good for us to ________ others explore the mystery of natural wonders.
A. stop B. help C. ask D. tell
12. Tom ________ feels curious about natural wonders, so he often reads books about them.
A. usually B. never C. hardly ever D. sometimes
13. It’s important for us to ________ confident when we introduce natural wonders.
A. keep B. to keep C. keeping D. keeps
14. —Who did you share your natural wonder findings with —I shared them with my ________.
A. parents B. friends C. teachers D. all of the above
15. He ________ his natural wonder report to the class yesterday. It was wonderful and informative.
A. tell B. tells C. told D. will tell
三、句型转换
1. She shared her natural wonder findings with her deskmate yesterday.（改为否定句）
________________________________________________________________
2. They kept a record of natural wonders they visited yesterday.（改为一般疑问句）
________________________________________________________________
3. It’s necessary for us to protect rare natural wonders from being destroyed.（改为同义句）
________________________________________________________________
4. We learned about natural mystery and protection last week.（改为否定句）
________________________________________________________________
5. Did you help your classmate explore the natural wonder mystery （作肯定回答）
________________________________________________________________
6. They talked about their natural wonder exploration plans in the class meeting.（改为一般疑问句）
________________________________________________________________
参考答案
Section A
一、词汇运用
A. 1. natural 2. shape 3. depth 4. attract 5. vast
B. 6. saw 7. have learned 8. discuss 9. hasn’t found 10. guides
C. 10. vast 11. shape 12. depth 13. natural 14. attract
二、单项选择
1-5 ACDBC 6-10 CABDB 11-15 CDACB
三、句型转换
1. He didn’t describe the natural wonder in English last class.
2. Did they visit the ancient cave with mysterious rocks last month
3. We should learn more about nature by exploring natural wonders.
4. She didn’t find out the depth of the lake because of her teacher’s help.
5. No, I didn’t.
6. Did they discuss the features of the natural waterfall in the class meeting
7. I rode a bike to go to the mountain to enjoy the natural scenery yesterday.
Section B
一、词汇运用
A. 1. brave 2. share 3. necessary 4. confident 5. mystery
B. 6. shared 7. learned 8. kept 9. didn’t share 10. told
C. 11. necessary 12. brave 13. share 14. mystery 15. confident
二、单项选择
1-5 BCCAB 6-10 CACCD 11-15 BDADD
三、句型转换
1. She didn’t share her natural wonder findings with her deskmate yesterday.
2. Did they keep a record of natural wonders they visited yesterday
3. Protecting rare natural wonders from being destroyed is necessary for us.
4. We didn’t learn about natural mystery and protection last week.
5. Yes, I did.
6. Did they talk about their natural wonder exploration plans in the class meeting
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