1.The medicine can ____ you from having the illness.
A.get
B.make
C.protect
D.keep

C

2.Xizang is a good place to visit, but some people may feel it hard to ____ air there.
A.take on
B.take off
C.take in
D.take away

C

3.—____ is the Qomolangma?
—It's 8848.86 meters. It's very hard to climb the mountain.
A.How deep
B.How long
C.How far
D.How high

D

4.In order to pass the exam, you need to work much ____ now.
A.hard
B.harder
C.hardest
D.hardly

B

5.Miss Brown is one of ____ teachers in our school.
A.popular
B.more popular
C.most popular
D.the most popular

D

6. My younger brother failed passing the exam ____ he studied so hard.
A.in order to
B.so that
C.even though
D.as long as

C

7.My brother succeeded ____ onto the top of the mountain.
A.climb
B.in climbing
C.to climbing
D.to climb

B

8.—Michael was late for Mr. Smith's class this morning.
—How come? ____, he never came late to class.
A.I hope so
B.Here it is
C.Here you are
D.As far as I know

D

二、完形填空。
“Most polar bears could disappear by the end of the century because of global (全球的) warming,” scientists say.
According to a study in Nature Climate Change, the number of most polar bears will ____1____ rapidly by 2080. There are two reasons. One is that the sea ice is melting (融化). Polar bears catch seals (海豹) to eat on the ice. ____2____ ice, they have to stay on land. But there is not ____3____ food on land to support so many bears. The animals could die from hunger. The other ____4____ is that mother bears may not be fat enough to produce milk for their babies, so some bears could stop having babies.
Polar bears are the ____5____ land animals that eat meat on the planet. They help control other kinds of animals. Losing them would break the balance of their living place.
The Arctic is the ____6____ to about 25,000 polar bears. Arctic sea ice usually melts in spring and summer, and then grows in winter. But now, the ____7____ is taking longer to grow back. Scientists say the Arctic is warming twice as fast as the rest of the planets.
The study also shows that it is ____8____ to slow Arctic melting. Greenhouse gas (温室气体) could lead to climate change. In order to avoid creating greenhouse gas, the world should try to stop burning coal and riding in cars.
Saving the bears is ____9____ us. Holland, one of the writers of the study, says, “I believe there is hope, but humans need to act ____10____ to make that hope come true.” Let's take action to protect our earth and save polar bears.
1.A.develop
B.fall
C.rise
D.improve
2.A.Through
B.Across
C.Without
D.With
3.A.enough
B.good
C.sweet
D.delicious
4.A.result
B.tour
C.research
D.reason
5.A.largest
B.loveliest
C.simplest
D.luckiest
6.A.room
B.family
C.house
D.home
7.A.sea
B.ice
C.plant
D.animal
8.A.silly
B.strange
C.possible
D.wrong
9.A.up to
B.hard on
C.good with
D.in control of
10.A.recently
B.clearly
C.quickly
D.quietly

1. B 2. C 3. A 4. D 5. A 6. D 7. B 8. C 9. A 10. C