In general,men and women reach peak bone mass at the age of

In general,men and women reach peak bone mass at the age of 35.A.Right B.Wrong C

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He looks like a crazy man.(  )

He looks like a crazy man.(  )A.lazy B.patient C.mad D.happy

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He talked about the feasibility of setting up an experimenta

He talked about the feasibility of setting up an experimental school in which ea

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I had some difficulty in carrying out the plan.(  )

I had some difficulty in carrying out the plan.(  )A.making B.keeping C.changing

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I am not certain whether he will come.(  )

I am not certain whether he will come.(  )A.determined B.sure C.sorry D.glad

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