试题与答案

磺胺类药物是通过抑制()的合成,从而阻碍细胞繁殖。

题型:填空题

题目:

磺胺类药物是通过抑制()的合成,从而阻碍细胞繁殖。

答案:

参考答案:叶酸

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     The Sunshine Club需要招聘各方面的志愿者。阅读Nick的自荐信,并以Mary的身份写一封自荐信。

Dear Sir,

I'm Nick, a 15-year-old boy. I want to be a volunteer. I like to work outdoors, and I can help clean up

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Nick

Dear Sir,

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