管子对口时，其厚度差不得超过公称厚度的（），但最大不得超过3mm。A、15% B、2 发布时间：2017-10-19 15:25 │ 来源：www.tikuol.com 题型：单项选择题 问题： 管子对口时，其厚度差不得超过公称厚度的（），但最大不得超过3mm。A、15%B、20%C、25%D、30%
题型：单项选择题 用方框中所给的词的适当形式填空，使短文正确、通顺。每词限用一次。 slow born rapid country healthy carry large people control develop The growing population is still a big problem in the world, especially in developing countries. The population in developing countries is larger than that in 1______ ones. And it's growing faster than that in any other 2______. Chinese government has 3______ out many plans. And they have.worked well in 4______ China's population. Thanks to them, Chinese people's living conditions are improving 5______. About 261 babies are 6______ in the world every minute. Just imagine how many more 7______ there will be in one year. China is a country with the 8______ population, so we still have a long way to go. We should do something to 9______ down the growth of the population. It's important for each family to have fewer but 10______ children. Or maybe there won't be enough places for people to stand on the earth in the future. 查看答案
题型：单项选择题 找一找图中的字都包含了哪些汉字。1．嬉____________________ 2．崭_______________________3．竟____________________ 4．喳_______________________ 查看答案
题型：单项选择题 下列选项中，属于终审的判决和裁定有( )A．市中级人民法院第二审案件的判决和裁定B．高级人民法院第二审案件的判决和裁定C．最高人民法院审判的第二审案件的判决和裁定D．高级人民法院第一审案件的判决和裁定E．最高人民法院审判的第一审案件的判决和裁定 查看答案