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问题 多项选择题

协助患者移向床头时注意（）

A.遵循节力原则

B.动作轻稳

C.避免拉拽

D.防止关节脱位

E.使患者安全舒适

答案

参考答案：A, B, C, D, E

单项选择题

危险废物填埋场运行的第一年，应( )至少取样一次。

A．每天

B．每季度

C．每周

D．每月
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单项选择题

For many years, the principle goal of computer (73) was to write short pieces of code that would execute quickly. The (74) needed to be small, because memory was expensive, and it needed to be fast ,because processing power was also expensive.

A. users B. programmers C. thatD. program
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