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 price（价格）of houses in this area ______（降低）again so we decided to buy one.
6. He didn't ______（接受）our invitation because he needed to prepare for his coming test.
7. The ______（India）movie shows the real-life situation in India.
8. He needs round-the-clock care because of a serious ______（ill）.

pollution
; certain
; disasters
; risk
; dropped
; accept
; Indian
; illness

( ) 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

D

( ) 2. Work hard, ______ you'll fall behind your classmates.
A. for
B. but
C. or
D. so

C

( ) 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

B

( ) 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

A

( ) 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

A

三、动词填空
1. The number of the candles（蜡烛）on the cake ______ (be) the birthday person's age.
2. My mother says I ______ (weigh) 7.6 kilograms at ten months old.
3. I waited outside the flat for two hours because of ______ (lose) the key.
4. The animal-lover does his best to do everything he can ______ (protect) animals.
5. It's said that the snow ______ (melt) next month, so let's go skiing this weekend.
6. — May I speak to Dr Lee now? — Sorry. He ______ (give) a speech on wildlife.
7. ______ (accept) your weakness and focus on your strength（优点）. You're sure to make it.
8. The government hopes the colourful cultural activities ______ (increase) people's interest in traditional crafts.
9. I didn't know how she managed ______ (carry) all those heavy books by herself.
10. ______ (drop) litter is really harmful to our environment. We should put it in the bins.

is
; weighed
; losing
; to protect
; will melt
; is giving
; Accept
; will increase
; to carry
; Dropping

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.

make laws to reduce water pollution
; are at risk/in danger because of
; may be none of the blue whales left
;
; hunt wild animals for their own needs
; make sure you take action