出现喃喃语声的阶段在(  )。

出现喃喃语声的阶段在(  )。A.0~2个月 B.3~4个月 C.4~8个月 D.9~12个月

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Dennis Muren started his schooling at a very early age.

Dennis Muren started his schooling at a very early age.A.A Right B.B Wrong C.C N

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She can be relied on in a crisis.

She can be relied on in a crisis.A.looked after B.depended on C.believed in D.tu

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We explored the possibility of expansion at the conference.

We explored the possibility of expansion at the conference. A.offered B.investig

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In relation to ulcers, experts study twins in order to exami

In relation to ulcers, experts study twins in order to examine_________.A.A the

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