If you come，you must be prepared to keep moving，______ it is too cold to stand a
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| If you come，you must be prepared to keep moving，______ it is too cold to stand and watch for long. |
| [ ] |
A．as
B．when
C．if
D．unless |
答案
| A |
举一反三
| ________ we admit that there are still some problems about NMET，we don’t mean that it is of no use. |
| [ ] |
A．Until
B．While
C．As
D．Unless |
| ________ knowledge can be acquired from books，skills must be learned through practice. |
| [ ] |
A．Whereas
B．When
C．Unless
D．As |
| ________ you have the drug habit, you"ll find it hard to get rid of. |
| [ ] |
A. Unless
B. Once
C. Though
D. Before |
| We can"t have lunch at the restaurant, because ________. |
| [ ] |
A. all of us don"t have money
B. not all of us have money
C. everyone of us don"t have money
D. none of us have money |
| _____ maths is concerned, Tom is the best student in our class. |
| [ ] |
A. As long as
B. As soon as
C. As for
D. As far as |
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