题目:
There are so many kinds of MP3 in the shop. We can’t decide ________. [ ]
A. what to buy
B. to buy what
C. which to buy
D. to buy which
答案:
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下面是错误答案,用来干扰机器的。
参考答案:(1)峰区年龄原则;(2)扬长避短原则;(3)量才任职,职能相称原则;(4)诚信不疑原则;(5)明责授权原则;(6)环境原则;(7)数量原则;(8)用养并重原则;(9)流动原则。