1. — How about going fishing with us? — I wish I could, ______ I have to finish homework first.
A.and
B.so
C.but
D.or

C

2. By reading books, we can get more ______ about History, Science, and other subjects.
A.luck
B.knowledge
C.programme
D.memory

B

3. Our Science teacher taught us about the rainforest. It ______ tall trees, colourful birds, and many kinds of insects. All these keep the forest lively.
A.makes
B.includes
C.finds
D.shows

B

4. We can add the suffix “-ly” to “______” to form an adjective.
A.bad
B.real
C.usual
D.friend

D

5. We can use three ways to solve this problem. As the saying goes, “All roads ______ Rome.”
A.look forward to
B.pay attention to
C.stick to
D.lead to

D

6. The boy kept ______ all night, and his mum was worried and couldn’t keep him ______.
A.to shout; quiet
B.shouting; quietly
C.to shout; quietly
D.shouting; quiet

D

7. Up to now, almost ______ of the students in the class have completed ______ of their work.
A.two-thirds; 60 percents
B.two-thirds; 60 percent
C.two third; 60 percents
D.two third; 60 percent

B

8. The sentence structure of “Teachers ask me to finish the homework on time. ” is “”.
A.S+V+O
B.S+V+O+O
C.S+V+O+C
D.S+V+P

C

9. Which of the following statements about ecosystems is correct?

A.Wetlands are useless because they are always wet.
B.Forests mainly help us get more wood to build houses.
C.Deserts have no value since there is no water there.
D.The ocean ecosystem is important for our oxygen supply.

D

10. — The robot dance at the Spring Festival Gala was so cool! The moves were just like humans’! — ______ I watched it three times!
A.I don’t think so!
B.You said it!
C.That’s a robot.
D.No way!

B

二、请认真阅读下面短文,从短文后所给的六个选项中选出五个可以填入空白处的最佳选项。
Without the sun, no living things would live on the earth. 1. ______ At the same time, it helps your body get vitamin D. However, you may feel tired after spending long hours in the sun. 2. ______ Here are some reasons to explain it.
The first one is that your body doesn’t want to heat up. 3. ______ If you feel too tired in the sun, it must be a sign that it’s time to take a rest and cool down.
4. ______ When you sweat(出汗) a lot, your body loses water. As a result, your blood becomes thicker, which makes it hard for your heart to send blood. And it means that less O₂ will be sent to your body. The low level of O₂ will make you feel even more tired. This is also why you should drink water after doing sports.
And another reason is sunburn, which is your skin’s way to fight against the UV(紫外线) in the sunlight. 5. ______ And this is also tiring for your body. So, staying in the sun for too long easily leads to tiredness.
As you can see, the sun is both your enemy and your friend. Warm light is good for you, but tiredness shows that your body has too much sunlight in the day.
A. The second reason is the lack of(缺乏) water.
B. When does the sun make you tired?
C. Why does the life-giving star make you tired?
D. The sun makes plants grow and produce food.
E. So it has to use much energy to cool itself down.
F. As a form of protection, your skin turns red.

1.D 2.C 3.E 4.A 5.F