选择下列单词的正确读音:生かす()

A.うかすB.うむかすC.いかすD.いみかす

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Passage 2Questions 6 to 10 are based on the following passage:When aluminum was

Passage 2Questions 6 to 10 are based on the following passage:When aluminum was first produced about

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この冬は寒かった()風邪をひかない。

A.はるかにB.とくにC.わりにD.しだいに

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往复泵设吸入空气室的作用是()。

往复泵设吸入空气室的作用是()。A.降低泵的启动功率B.贮存液体帮助自吸C.降低流量和排出压力脉动率D.减小吸压脉动,防止“气穴”现象

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