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【题目】—The farm chemicals remained(剩余) on the vegetables and fruits are harmful __ our health.
—Yes, they may cause lots of diseases.
A.withB.toC.for
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【题目】You should know that ____ body language is ___ important part of communication.
A.a; an B./; an C.the; a
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【题目】If you turn off the lights, the screen of the computer ________ be more clear.
A.mustB.has toC.shouldD.can
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【题目】In an important game like this one, every minute ______ . So let’s go for it!
A. counts B. works C. lasts D. helps
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【题目】A ship is safe if it stays in a harbor. But this is not ________ it is built for.
A.whatB.howC.whyD.where
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【题目】I met Lucy in the primary school and we have been close friends ________.
A. as usualB. again and againC. sooner or laterD. ever since
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【题目】They are always fighting over such a small thing. The war between them often ____.
A.breaks downB.breaks out
C.breaks offD.breaks away
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【题目】The boy ____ the little girl when he hurried out of the house.
A.knocked onB.knocked down
C.knocked atD.knocked off
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【题目】He answered a call and went away ________.
A.at timesB.at once
C.on timeD.since then
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