一、词汇运用
1. What do you think is the most serious (污染) in our city?
2. In (某些) situations(情况), knowing some basic local language can save life.
3. Natural (灾害) like floods may happen more often if we keep cutting down trees.
4. Will everyone be at (风险) of losing jobs if we keep developing AI?
5. The (印度的) movie shows the real-life situation in India.
6. He needs round-the-clock care because of a serious i.
7. The price(价格) of houses in this area d again so we decided to buy one.
8. He didn't a our invitation because he needed to prepare for his coming test.

二、从方框中选择适当的单词或短语,在横线上填入其正确形式。每个单词或短语仅用一次
in danger easy in order to reduce protect
When humans and wild animals share the same areas, they can come into conflict(冲突). And this can be a serious problem to wild animals. The Asian elephants are 1. now. One important reason is that humans are taking up their living space. They need food and 2..
In the past, there were many elephants breaking into a village in India. They ate the crops(庄稼) like rice. Farmers threw(扔) stones to drive them away 3. protect their crops. Sometimes, it worked. But most of the time, those elephants got angry and hurt people. Finally, an organization built a fence(篱笆) near the village so that elephants couldn't 4. break into the village. It not only protected farmers’ crops but also 5. the conflict between villagers and elephants.

() 1. — Will your brother come back home before 6 o'clock this evening?
— He should, but he__________ not. Sometimes he exercises after work.

A.can
B.must
C.need
D.may

() 2. Work hard, __________ you'll fall behind your classmates.

A.for
B.but
C.or
D.so

() 3. The number of the travellers in this area may __________ during the rainy season, as the weather makes outdoor activities impossible.

A.increase
B.drop
C.rise
D.grow

() 4. To save energy, before you leave the house, please __________ you turn off all the lights.

A.make sure
B.make up
C.make for
D.make out

() 5. — We should organize a class meeting to share different learning methods and find out what works best for everyone.
— __________. Let’s start planning it right away.

A.That’s a good point
B.I’m afraid not
C.It doesn’t matter
D.That’s a good deal

四、完成句子
1. 很多国家制定了法律来减少水污染。
Many countries .
2. 因为北极冰层的融化,北极熊正处于危险之中。
Polar bears the melting of Arctic ice.
3. 如果我们不关注海洋环境,将来也许就没有蓝鲸剩下了。
If we pay no attention to the ocean environment, there ____________________________ in the future.
4.在这个地区,一些人为了自己的需求而捕猎野生动物。
Some people in this area.
5.请确保你们尽早采取行动,否则情况会更糟糕。
Please as soon as possible, or the situation will get worse.