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【单选题】
下列维生素与其生理功能对应正确的是A.
维生素A——调节体内钙、磷代谢
B.
维生素B2——参加物质代谢过程的氢传递
C.
维生素E——维持视紫红质合成速度
D.
维生素PP——参与合成肾上腺素
E.
维生素B6——促进红细胞发育和成熟
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举一反三
【单选题】以“梨花院落溶溶月”为上句,下面四个句子中哪个能作为下 句与它组成对偶句?选出最恰当的一个
A.
柳絮池塘淡淡风
B.
榆荚临窗片片雪
C.
带水芙蕖点点雨
D.
丁香初绽悠悠云
【单选题】Lydia really regrets _____ out of high school. She has really had to struggle to make a living because of that decision. A. drop B. to drop C. dropping D. dropped
A.
drop
B.
to drop
C.
dropping
D.
dropped
【单选题】Lydia really regrets________out of high school.She has really had to struggle to make a living because of that decision. [ ]
A.
drop
B.
to drop
C.
dropping
D.
dropped
【单选题】以“梨花院落溶溶月”为上句,下面四个句子中哪个能作为下句与它组成对偶句?选出最恰当的一句( )
A.
柳絮池塘淡淡风
B.
榆黄临窗片片雪
C.
带水芙蕖点点雨
D.
丁香初绽悠悠云
【单选题】After seeing the play, Janet regrets that ____.
A.
she arrived at the theatre late
B.
she didn't read the play before she saw it
C.
she didn't join the performance
D.
Mark's performance was not satisfying
【简答题】A．She is surprised that Carnegie thought his plan could succeed. B．She understands why Carnegie proposed his idea. C．She doubts whether Carnegie was serious about his plan. D．She regrets that Carnegie...
【单选题】After seeing the play, Janet regrets that _____.
A.
she didn't read the play before she saw it
B.
she didn't join the performance
C.
Mark's performance was not satisfying
D.
she arrived at the theatre late
【单选题】下面哪一项是癫痫症状发作时恰当的急救方法?()
A.
牙关紧闭者，可以拿手帕包住筷子让患者咬住
B.
需要做人工呼吸
C.
病人侧卧，头侧向一方
D.
痉挛时，可按压病人的四肢
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