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四、根据语篇内容，从方框中选择合适的单词和词组并用其正确形式填空
as effect return such as temperature therefore
In the natural world, climate change has had a bad (1)
as effect return such as temperature therefore
In the natural world, climate change has had a bad (1)
effect
on some areas. For example, the Arctic has a quick increase in (2) temperature
, causing ice to melt. This situation affects the polar ice cap, where ice reflects (反射) sunlight back into space. (3) As
ice melts, less sunlight is reflected, causing the earth to have more heat. (4) Therefore
, the melting of ice can lead to another round of warming. Animals like polar bears, whose homes are in these icy areas, have more difficulty in finding food, leading to a drop in their numbers. For some animals, (5) such as
seals and walruses (海象), the loss of ice means they have fewer places to rest. They may finally have no choice but to (6) return
to more northern places to find cooler temperatures and safer ground.答案
1. effect 2. temperature
3. As 4. Therefore
5. such as 6. return
3. As 4. Therefore
5. such as 6. return
根据语篇内容，从方框中选择合适的单词并用其正确形式填空
special important large but be
join lucky they usual more
There are many wetlands in China and some of them have become important nature reserves. The Chinese Yellow Sea Wetlands are among (1) ______ . They are in Yancheng, Jiangsu Province. They are home to many kinds of birds and animals. What’s more, the world’s (2) ______ nature reserve for milu deer is also there. These are great places for (3) ______ than 8,000 milu deer to live freely. The temperature in the wetlands is (4) ______ not too high or too low. There is a lot of rain and sunshine too. The wetlands (5) ______ good places for wildlife. Providing food and homes for some (6) ______ kinds of animals and birds is not the only reason why we need to protect wetlands. Wetlands are important because they also prevent floods from happening. (7) ______ some people want to change the wetlands to make more space for farms and buildings. (8) ______ , more and more people are beginning to realize the (9) ______ of wetlands and wildlife. Every year, on 2 February, World Wetlands Day, we can (10) ______ in many activities about wetlands.
special important large but be
join lucky they usual more
There are many wetlands in China and some of them have become important nature reserves. The Chinese Yellow Sea Wetlands are among (1) ______ . They are in Yancheng, Jiangsu Province. They are home to many kinds of birds and animals. What’s more, the world’s (2) ______ nature reserve for milu deer is also there. These are great places for (3) ______ than 8,000 milu deer to live freely. The temperature in the wetlands is (4) ______ not too high or too low. There is a lot of rain and sunshine too. The wetlands (5) ______ good places for wildlife. Providing food and homes for some (6) ______ kinds of animals and birds is not the only reason why we need to protect wetlands. Wetlands are important because they also prevent floods from happening. (7) ______ some people want to change the wetlands to make more space for farms and buildings. (8) ______ , more and more people are beginning to realize the (9) ______ of wetlands and wildlife. Every year, on 2 February, World Wetlands Day, we can (10) ______ in many activities about wetlands.
答案
1. them
2. largest
3. more
4. usually
5. are
6. special
7. But
8. Luckily
9. importance
10. join
2. largest
3. more
4. usually
5. are
6. special
7. But
8. Luckily
9. importance
10. join
