搜题请搜索小程序“爱下问搜题”
问题
判断题
DN800的射芯压力应不小于20㎏/C㎡
答案
参考答案:
错
选择题
—What are you going to be when you grow up?
—I'm going to be a _____ because I like playing the violin.
A. musician
B. player
C. pilot
D. actor
查看答案
解答题
一批货物,先运走144吨,又运走这批货物的
3
5
,这时剩下的货物正好是原来这批货物的
1
4
,这批货物共有多少吨?
查看答案