| 1. 单选题 | 详细信息 |
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As an old saying goes, "He who has never been to _______Great Wall is not a true man."
A . a
B . an
C . the
D . /
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| 2. 单选题 | 详细信息 |
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China successfully landed a spacecraft ____________ Mars in May, 2021.
A . in
B . on
C . at
D . for
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| 3. 单选题 | 详细信息 |
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Read the book Cute Pets, _________ you will know how to take care of your cat.
A . or
B . so
C . and
D . but
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| 4. 单选题 | 详细信息 |
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No one is _____________. The key is to learn from mistakes and never stop.
A . careful
B . generous
C . famous
D . perfect
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| 5. 单选题 | 详细信息 |
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During Dr Mar's last visit, he______________ on 150 patients on the ORBIS plane.
A . operates
B . is operating
C . will operate
D . operated
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| 6. 单选题 | 详细信息 |
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—Why are you laughing, Daniel?
— There is _____________funny in the newspaper. Come and see.
A . anything
B . something
C . everything
D . nothing
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| 7. 单选题 | 详细信息 |
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Yuan Longping and his team have solved the problem of __________ for many people.
A . hunger
B . health
C . pollution
D . population
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| 8. 单选题 | 详细信息 |
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The biggest challenge we all face is to prevent further environmental disasters. We ________ take action before it is too late.
A . can
B . must
C . may
D . might
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| 9. 单选题 | 详细信息 |
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Alice often ____________ the fun of doing DIY with us. She is so creative!
A . shares
B . provides
C . makes
D . gives
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| 10. 单选题 | 详细信息 |
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Rainbows ___________ when sunlight passes through small drops of water in the sky.
A . produce
B . produced
C . are produced
D . were produced
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