一、根据句意及汉语或首字母提示写出单词。
1. — Do you believe that house prices will （降低）in the following month?
— It's hard to say.
2. Our teachers often tell us some online safety rules to help us avoid online （风险）.
3. After the earthquake, Chinese helped the （灾害）area get through the difficult time.
4. — Some kids may have difficulty reading （某些）words.
— E-books with colourful photos and sounds may help kids develop their reading skills faster.
5. The polar b live inside the Arctic Circle near the North Pole. There aren't any at the South Pole.

1. drop 2. risks 3. disaster 4. certain 5. bears

二、用所给词的适当形式填空。
1. — We believe scientists will come up with good ways to solve the air (pollute).
— Me too. Fresh air is important to everyone.
2. A cold is a common (ill). It often starts with a sore throat and a headache.
3. — Who is the girl in yellow?
— She is an (India) girl. I met her when I travelled in India last year.
4. The government of Nepal took action to stop people from hunting (rhino) for their horns.
5. Xinjiang has many rivers and lakes with water from the (melt) snow and glaciers (冰川) of the Tianshan Mountains.

1. pollution 2. illness 3. Indian 4. rhinos 5. melting

三、单项选择。
1. The girl was still under a building three days after the earthquake. People wondered how she was able to the big earthquake.

A.alive; survive in
B.living; survive
C.living; survive in
D.alive; survive

1. D

2. Forty percent of the students going to have lunch at school, but there is little food .

A.is; left
B.is; leaving
C.are; left
D.are; leaving

2. C

3. — May I take this magazine out of the reading room?
— No, you mustn't. It's the rule.

A.over
B.opposite
C.before
D.against

3. D

4. With the development of new rural communities(新农村)，more and more young people go back to stay with parents them feel less lonely.

A.to making
B.to make
C.made
D.make

4. B

5. — Look! The light in the lab is still on. — Oh, I forgot it off before leaving.

A.to turn
B.turning
C.turn
D.turned

5. A

四、根据汉语提示完成句子。
1. 人类的活动使一些野生动物失去了它们的生活空间。
make some wild animals .
2. 在尼泊尔，捕猎印度犀牛是违法的。
Hunting Indian rhinos in Nepal.
3. 他们设法阻止人们捕猎野生动物。
They wild animals.
4. 我们人类可以做一些事情来帮助保护狐狸。
We humans can foxes.
5. 蓝鲸可以活到90岁。(live up to)

1. Human activities; lose their living spaces 2. is against the law 3. manage to stop people from hunting 4. do something to help protect 5. Blue whales can live up to 90 years old.