______

1 .______

A overcame B promoted C improved D postponed

题型: 单选题 提问时间: 2021-08-23

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2 .______

A transformer B adaptor C transmitter D collector

题型: 单选题 提问时间: 2021-08-23

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4 .Adults’ knowledge and mental powers hinder their complete mastery of a foreign language.

A Right B Wrong C Not mentioned

题型: 单选题 提问时间: 2021-08-23

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5 .Plenty of practice in listening during the first years of life partly ensures children's success of learning their mother tongue.

A Right B Wrong C Not mentioned

题型: 单选题 提问时间: 2021-08-23

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6 .Gestures and facial expressions may assist a child in mastering his native language.

A Right B Wrong C Not mentioned

题型: 单选题 提问时间: 2021-08-23

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7 .We know for sure that colonization began at the end of the 15th century.　

A Right B Wrong C Not mentioned

题型: 单选题 提问时间: 2021-08-23

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