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问题 单项选择题

下面关于tRNA和氨基酸相互关系的说法，正确的是（）

A.每种氨基酸都由一种特定的tRNA携带

B.每种氨基酸都可由几种tRNA携带

C.一种转运RNA可以携带几种结构相似的氨基酸

D.一种氨基酸可由一种或几种tRNA携带

答案

参考答案：D

单项选择题

The nurse is preparing a treatment plan for a client taking oral corticosteroids to control severe chronic asthm

a. Which statement indicates that the client understands his treatment planA. "I should take corticosteroids on an empty stomach. "B. "I need to take corticosteroids to help build up my immune system. "C. "I should stop taking corticosteroids if I haven’t had an asthma attack for 1 week. "D. "I’ll tell my other health care providers that I’m taking a corticosteroid. "
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多项选择题

施工现场的消防供水设施应当保证（）等满足灭火要求。

A.数量

B.水质

C.水量

D.水压

E.水源
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