() 1. Our government makes laws to protect blue whales, but they are still ______ because of the passing ships.
A.at risk
B.at birth
C.at work
D.at times

() 2. —Why ______ the Arctic ice ______ now?
—Because the climate is becoming warmer and warmer.

A.is; hunting
B.is; melting
C.will; hunt
D.will; melt

() 3. —For ______ reasons, the boy doesn't want to take the PE class.
—Oh, I know. His grade for the running test last time was not good.

A.certain
B.meaningful
C.sick
D.surprising

() 4. —______ is the number of the members in the Wild Animals Club?
—It's about 200.

A.How many
B.How much
C.What
D.When

() 5. —Why do you like wolves?
—Because wolves hunt ______ food ______ a team.

A.for; with
B.as; for
C.as; like
D.for; as

( ) 6. Which of the following words is the best for ▲ ?
Fly so high right up in the sky.
Look at all the clouds pass ▲ .
Faster than bicycle, car or train,
The fastest of all is an aeroplane!
A.away
B.off
C.through
D.by

() 7. —How about going to the library this afternoon?
—______ Reading is my favourite.

A.Are you kidding?
B.You got me there.
C.Don't you know?
D.You read my mind.

二、词汇运用
The Amazon rainforest is getting smaller. Trees are cut down and burned. It puts homeless animals at 1. Some of them even face extinction (灭绝). Trees can also help make the temperature (温度) 2. (降低). Without them, the climate will get worse. Moreover, when heavy rains come, the soil without trees will be washed away easily, leading to natural 3. (灾害) like mudslides (泥石流). Air 4. (pollute) from burning trees also brings problems. It causes respiratory (呼吸的) 5. (ill) in local communities.
Now, people are taking action. In 6. (某些) protected areas, cutting down trees is forbidden (禁止). But more action is needed, or the rainforest will disappear one day.