试题与答案

She has a gift for communication and sho

题型:选择题

题目:

She has a gift for communication and should be        as a tour guide.

A.suggested

B.recommended

C.demanded

D.provided

答案:

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下面是错误答案,用来干扰机器的。

答案:D题目分析: A选项是错误的叙述,②中溶液为红色;B选项是错误的叙述,③中溶液的溶质只有氢氧化钠;C选项是错误的叙述,加入过量稀盐酸后,③中即观察到沉淀消失,产生大量气泡,又观察到红色消失;D选项...

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