As is known to all，________you develop good eating habits，you won’t keep healthy

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As is known to all，________you develop good eating habits，you won’t keep healthy. [     ]
A．if
B．unless
C．until
D．though

答案

举一反三

— Mum, I want to play computer games now.
— Sorry, you can"t________you have finished your homework. [     ]
A. when
B. if
C. after
D. until

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It has been three months ________the famous painting was stolen. [     ]
A．before
B．since
C．until
D．unless

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There is a big library in our school.There are more than twice________five years ago. [     ]
A. books than
B. as many books as
C. many books as
D. many more books than

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________ its high pace, city life still attracts more and more people to move into the city. [ ]
A. Despite
B. Due to
C. Besides
D. If only

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________the police thought he was the most likely one，since they had no exact proof about it，they
could not arrest him.[     ]
A．Although
B．As long as
C．If only
D．As soon as

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