| 1. 单选题 | 详细信息 |
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__ a single word can change the meaning of a sentence, a single sentence can change the meaning of a paragraph.
A . Just as
B . Even though
C . Until
D . Unless
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| 2. 单选题 | 详细信息 |
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We need to get to the root of the problem______ we can solve it.
A . while
B . after
C . before
D . as
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| 3. 单选题 | 详细信息 |
|
You won’t find paper cutting difficult _____you keep practicing it.
A . even if
B . as long as
C . as if
D . ever since
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| 4. 单选题 | 详细信息 |
|
____ the damage is done, it will take many years for the farmland to recover.
A . Until
B . Unless
C . Once
D . Although
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| 5. 单选题 | 详细信息 |
|
My grandfather still plays tennis now and then, he's in his nineties.
A . as long as
B . as if
C . even though
D . in case
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| 6. 单选题 | 详细信息 |
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I really enjoy listening to music ___ it helps me relax and takes my mind away from other cares of the day.
A . because
B . before
C . unless
D . until
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| 7. 单选题 | 详细信息 |
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_______online shopping has changed our life, not all of its effects have been positive.
A . Since
B . After
C . While
D . Unless
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| 8. 单选题 | 详细信息 |
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______ the average age of the population increases, there are more and more old people to care for.
A . Unless
B . Until
C . As
D . While
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| 9. 单选题 | 详细信息 |
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______some people are motivated by a need for success, others are motivated by a fear of failure.
A . Because
B . If
C . Unless
D . While
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| 10. 单选题 | 详细信息 |
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Everyone in the tourist industry has made the point that __________ Government assistance is helpful, what they actually need most is for the visitors themselves to return.
A . as
B . when
C . while
D . since
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