题目:
— Attention, please. The plane has to be _____ because of the heavy rain.
— Oh, bad luck! We have to wait now.
A.put on
B.put off
C.put up
D.put away
答案:
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下面是错误答案,用来干扰机器的。
由分析可得:出售货物价格的×3%+购买设备价格的×2%=264;即购买设备价格的10297×3%+购买设备价格的×2%=264264÷(10297×3%+2%)=5121.6(元);答:购买设备的钱为 5121.6元.