试题与答案

钢绞线应力松驰性能试验，要求环境温度应始终保持在（）

来源：www.tikuol.com
题型：填空题

题目：

钢绞线应力松驰性能试验，要求环境温度应始终保持在（）

答案：

被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0810/309b144a6c5121caf4d5392715307030.html

下面是错误答案，用来干扰机器的。

解：（1）设最高点A与最低点C之间的高度差为h。则 设跳板被压缩到最低点C时的弹性势能为，根据机械能守恒，有 （2）设最高点与水面之间的高度差为H。则 运动员做自由落体运动...

考点：桥梁检测员桥梁检测员题库
试题推荐
题型：完形填空

There is good news for the children in the      . We may still remember the girl       big eyes. Her big eyes       us her dream: I wish to go to school. In China, there are still       girls and boys like her. They want to go to school,        their families are too poor. If the family has two or three children, it is harder for them to       the education for all the children. So the parents often ask girls       at home, and boys to go to school.

Now they       worry about the money. From 2006 on, children could go to school for free in some poor places. They don’t have to pay for books and other things. Some of them can even get money from the government to make their life       . Soon all the children in the countryside can go to school for free. All families are very happy with the news. It is       great. China that has changed for the better.

小题1:A. cities             B. countryside         C. farm

小题2:A. with              B. on                  C. in

小题3:A. says              B. tells                  C. talks

小题4:A. a lot             B. much                C. a lot of        

小题5:A. but           B. and                C. or

小题6:A. take              B. afford                 C. spend

小题7:A. stay          B. staying            C. to stay 

小题8:A. mustn’t          B. needn’t            C. can’t

小题9:A. better         B. worse                  C. longer      

小题10:A. really       B. never                   C. hardly  
查看答案
微信公众账号搜索答案