【C14】A．shiftedB．repaidC．takenD．replaced

【C20】A．to takeB．to be takenC．being takenD．taking

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【C10】A．have broughtB．have been broughtC．have takenD．have been taken

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A．to takeB．takingC．being takenD．taken

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【C8】A．releasedB．drawnC．takenD．found

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Excuse me, but it is time to have your temperature______.A．takingB．takeC．takenD．to take

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【C18】A．usedB．chosenC．takenD．spent

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毒理学研究中提倡3R原则是指A、replacement eduction efinementB、replacement ecovery efinem

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