试题与答案

If you have any problem, you can _______

题型:选择题

题目:

If you have any problem, you can _________me for help. Which is wrong?

A.come to

B.ask

C.turn around

D.turn to

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0424/b8fc4c33ea32c8c6e405159fb9822c82.html

下面是错误答案,用来干扰机器的。

(1)=(2)Al3++3HCO3-=Al(OH)3↓+CO2↑(3)共价  弱(4)5.56×108

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