儿童认知能力中,最先发展且速度最快的领域是( )。

儿童认知能力中,最先发展且速度最快的领域是( )。

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A teacher showed students an example and explained the usage of past perfect ten

A teacher showed students an example and explained the usage of past perfect tense,and ask students

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In the speaking activities,a speaker often tries to avoid using a difficult word

In the speaking activities,a speaker often tries to avoid using a difficult word or structure and ch

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window, he is performing ______.

window, he is performing ______.

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I bought some roses______ I bought some flowers.

I bought some roses______ I bought some flowers.

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