Your bag is smaller than ______. [ ]A. h_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题选择题

Your bag is smaller than ______.

[ ]

A. his
B. his's
C. him
D. their

答案

A

解答题

计算下面各题．

389+162+12113865-1487-513

9300-（92+67×103）105×16-1089÷99．

多项选择题

消火栓出口压力超过0.5MPa时，可以设（）减压。

A.减压孔板

B.安全阀

C.减压稳压消火栓

D.节流阀