Traditionally, a child is supposed to learn about the adult

Traditionally, a child is supposed to learn about the adult world ________.A．thr

分类：中级运输经济(铁路)  题型：不定项选择题
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下列生理活动调节中具有正反馈控制的是（　　）

下列生理活动调节中具有正反馈控制的是（　　）A．血压的压力感受性反射 B．胃液分泌的反射性调节 C．排尿反射 D．排汗反射 E．骨骼肌的牵张反射

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For many years the Japanese have ________ the car market.

For many years the Japanese have ________ the car market.A．operated B．occupied C

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Professor Smith explained the movement of light （　　） that of

Professor Smith explained the movement of light （　　） that of water．A．by analogy

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It is believed that the feeding patterns parents （　　） on the

It is believed that the feeding patterns parents （　　） on their children can dete

分类：中级运输经济(铁路)  题型：不定项选择题
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