锁锁钩的啮合深度应达到或超过（）mm时，电气触点才能接通。A.5 b.10 C.7 发布时间：2017-04-29 03:48 │ 来源：www.tikuol.com 题型：单项选择题 问题： 锁锁钩的啮合深度应达到或超过（）mm时，电气触点才能接通。A.5b.10C.7
题型：单项选择题 小童带10元钱到商店去买学习用品．他看到一本日记本2.4元，一把削笔刀1.2元，一个铅笔盒7.6元．（1）买一把削笔刀和一本日记本共花多少元？（2）一把削笔刀比一个铅笔盒便宜多少元？（3）你还能提出什么问题？并解答． 查看答案
题型：单项选择题 根据语境选择适当的句子，完成对话。A: Hello! Tom, where are you going?B; 1 A: A concert? 2 B: The Twins band. A: Wonderful! It is my favorite band. 3 B: In Guangming theatre, at 7P.M. this afternoon.A: 4 B: To raise some money for the students in poor area. Would you like to go with me?A: I’d love to, but I have no tickets.B: Don’t worry, I can give you one. A: 5 . Let’s go!A. What was the concert for?B. How do like the concert?C. Who will give a concert?D. It’s very kind of youE. I’m going to a concert?F. It’s my pleasureG. Where and when will they give the concert? 查看答案