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We sometimes call the lion “the king of the jungle (丛林)” because it is stronger and more dangerous than other animals. It can run faster than many animals and it can hunt (捕猎) the best. It is the highest animal in the 21 food chain (食物链).[
In the sea, the shark is one of the animals at the 22 of the food chain. It can swim faster than most other sea animals, and it can use its big teeth to eat them.
What is at the top of the world’s food chain? 23 are! We are not the biggest or fastest, but we are the 24 We could not run faster than cheetahs (猎豹), so we 25 cars and now we can move the fastest. We could not 26 better than lions, so we invented guns (枪). Now we can hunt the best.
People’s inventions are clever, but they can be dangerous, too. For example, people invented 27 , and now they make the air and rivers dirty. This can make 28 changes. Dirty rivers kill fish. Then bears cannot eat the fish and the bears die. If we kill one part of the food chain, 29 also die. Remember that we are a part of the food chain, so we are in danger too! If we protect animals, we are protecting 30 ! We should and we could do something for the world!
1.A. land B. sea C. mountain D. desert
2.A. front B. end C. top D. beginning
3.A. People B. Lions C. Sharks D. Cheetahs
4.A. strongest B. cleverest
C. most special D. most important
5.A. used B. had C. made D. invented
6.A. fight B. escape C. kill D. catch
7.A. hotels B. schools C. factories D. hospitals
8.A. great B. terrible C. wonderful D. complete
9.A. one part B. another part C. other parts D. the other parts
10.A. ourself B. yourselves C. themselves D. ourselves
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1
We sometimes call the lion “the king of the jungle (丛林)” because it is stronger and more dangerous than other animals. It can run faster than many animals and it can hunt (捕猎) the best. It is the highest animal in the 1 food chain (食物链).
In the sea, the shark is one of the animals at the 2 of the food chain. It can swim faster than most other sea animals, and it can use its big teeth to eat them.
What is at the top of the world’s food chain? 3 are! We are not the biggest or fastest, but we are the 4 We could not run faster than cheetahs (猎豹), so we 5 cars and now we can move the fastest. We could not 6 better than lions, so we invented guns (枪). Now we can hunt the best.
People’s inventions are clever, but they can be dangerous, too. For example, people invented 7 , and now they make the air and rivers dirty. This can make 8 changes. Dirty rivers kill fish. Then bears cannot eat the fish and the bears die. If we kill one part of the food chain, 9 also die. Remember that we are a part of the food chain, so we are in danger too! If we protect animals, we are protecting 10 ! We should and we could do something for the world!
1.A. land B. sea C. mountain D. desert
2.A. front B. end C. top D. beginning
3.A. People B. Lions C. Sharks D. Cheetahs
4.A. strongest B. cleverest
C. most special D. most important
5.A. used B. had C. made D. invented
6.A. fight B. escape C. kill D. catch
7.A. hotels B. schools C. factories D. hospitals
8.A. great B. terrible C. wonderful D. complete
9.A. one part B. another part C. other parts D. the other parts
10.A. ourself B. yourselves C. themselves D. ourselves
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| 完形填空。 | ||||
| We sometimes call the lion "the king of the jungle (丛林)" because it is stronger and more dangerous than other animals. It can 1 faster than many animals and it can hunt (捕猎) the best. It is the highest animal in the 2 food chain (食物链). In the sea, the shark is one of the animals at the 3 of the food chain. It can swim faster than 4 other sea animals, and it can use its big teeth to eat them. What is at the top of the world's food chain? 5 are! We are not the biggest or fastest, but we are the 6 . We could not run faster than cheetahs (猎豹), so we 7 cars and now we can move the fastest. We could not 8 better than lions, so we invented guns (枪). Now we can hunt the best. People's inventions are clever, but they can be 9 , too. For example, people invented 10 , and now they make the air and rivers dirty. This can make 11 hanges. Dirty rivers kill fish. 12 bears cannot eat the fish and the bears die. If we kill one part of the food chain, 13 also die. Remember that we are a part of the food chain, 14 we are in danger too! If we protect animals, we are protecting 15 ! We should and we could do something for the world! | ||||
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Look at the diagram below．It shows a cross-secrio （横截面）of a mountain and the land on each side of it．The sea is on the west side of the mountain．
In January，February and March，warm wet winds blow strongly across the sea towards the mountain．The winds pick up moisture（湿气）as they blow across the sea．When clouds reach the mountain，they rose and become cooler．The higher they have to go，the cooler they become．The moisture in the clouds turns to rain．As a result，the clouds drop rain on the west side of the mountain，which sometimes has problems of flooding．Some of the clouds pass over the mountain but there is little rain in them．
In July and August，winds blow from east towards the mountain．They pass over the wide land．where it is usually very dry．The winds become hot and dry．They rise when they meet the mountain．They do not form（形成）clouds because there is little moisture in the hot dry air．
The diagram shows why（in many countries）there are better farms on one side of a mountain but there is a desert on the other side．
1．Suppose it is in the northern part of the earth，which season is dry?
A．Spring． B．Summer C．Autumn． D．Winter．
2．Which Part in the diagram is good for farming?
A．From Point A to B． B．From Point C to D．
C．From Point D to E． D．From Paint E to F．
3．What is the most important cause of the rain?
A．The sea． B．The winds． C．The mountain． D．The desert．
4．Why don't the winds from Point G form clouds?
A．Because the winds are not strong enough．
B．Because the winds don't pass over the desert．
C．Because there is little moisture in the air．
D．Because the winds don't reach the mountain．
查看习题详情和答案>>Look at the diagram（图表）below．It shows a cross—section（横截面）of a mountain and the land on each side of it．The sea is on the west side of the mountain．
In January，February and March，warm wet winds blow strongly across the sea towards the mountain．The winds pick up moisture（湿气）as they blow across the sea．When clouds reach the mountain，they rise and become cooler．The higher they have to go，the cooler they become．The moisture in the clouds turns to rain．As a result，the clouds drop rain on the west side of the mountain，which sometime has problems with flooding．Some of the clouds pass over the mountain but there is little rain in them．
In July and August，winds blow from G towards the mountain．They pass over a wide desert，where it is always very hot．The winds become hot and dry．They rise when they meet the mountain．They do not form clouds because there is no moisture in the hot air．
The diagram shows why（in many counties）there are profitable（有益的）farms on the side of a range of mountains but there is a desert on the other side．
根据短文内容，选择正确答案。
1．Suppose it is in the northern part of the earth，which season is dry?
A．Spring B．Summer C．Autumn D．Winter
2．Which part in the diagram is good for farming?
A．A to B B．C to D
C．E to F D．F to G
3．After reading the passage and the diagram，what is the most important cause of the rain?
A．The sea B．The clouds
C．The mountain D．The desert
4．Why don’t the winds from G form clouds?
A．Because the winds are not strong enough．
B．Because the winds don’t pass over the desert．
C．Because there is no moisture in the hot air．
D．Because the winds don’t reach the mountain．
5．Which of the following statements is TRUE?
A．There are no clouds passing over the mountain．
B．Point G is to the west of point A．
C．When the winds meet the mountain，they always form clouds．
D．The higher the clouds go，the cooler they become．
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