(
A.The desert.
B.The forest.
C.The ocean.
D.The wetland.
C
) 1. "It covers around 71% of the earth's surface and produces about 70% of the earth's oxygen. People call it the 'heart' of the earth." What does "It" refer to(指代)?A.The desert.
B.The forest.
C.The ocean.
D.The wetland.
答案:
C
(
—I agree. They act like the "kidneys" of the earth. They ______ water like giant sponges.
A.melt
B.move
C.save
D.store
D
) 2. —Wetlands play an important role in an ecosystem.—I agree. They act like the "kidneys" of the earth. They ______ water like giant sponges.
A.melt
B.move
C.save
D.store
答案:
D
(
—Because I can not only get a lot of ______ but also form my own understanding through reading.
A.growth
B.knowledge
C.memories
D.skills
B
) 3. —Why do you like reading, Amy?—Because I can not only get a lot of ______ but also form my own understanding through reading.
A.growth
B.knowledge
C.memories
D.skills
答案:
B
(
A.so
B.and
C.or
D.but
A
) 4. Life is like a one-way race, ______ treasure every moment as time cannot be won again.A.so
B.and
C.or
D.but
答案:
A
(
—Don't be worried. It's ______ to make mistakes when you learn something new.
A.awful
B.deadly
C.natural
D.rare
C
) 5. —I'm afraid I'm not able to learn Physics well.—Don't be worried. It's ______ to make mistakes when you learn something new.
A.awful
B.deadly
C.natural
D.rare
答案:
C
(
A.Clearly
B.Luckily
C.Nearly
D.Sadly
D
) 6. ______, we're facing a serious problem with ocean pollution. There are millions of tons of plastic in the ocean and it's very difficult to get rid of it.A.Clearly
B.Luckily
C.Nearly
D.Sadly
答案:
D
(
—In my opinion, he is patient, thoughtful and trustworthy. ______, you can trust him.
A.However
B.Otherwise
C.Therefore
D.Moreover
C
) 7. —What do you think of John Wilson?—In my opinion, he is patient, thoughtful and trustworthy. ______, you can trust him.
A.However
B.Otherwise
C.Therefore
D.Moreover
答案:
C
(
—That's too bad. Everyone ______ be a book lover. Reading is more enjoyable.
A.may
B.could
C.must
D.should
D
) 8. —Many people often look at mobile phones instead of reading.—That's too bad. Everyone ______ be a book lover. Reading is more enjoyable.
A.may
B.could
C.must
D.should
答案:
D
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