搜题请搜索小程序“爱下问搜题”
问题
单项选择题
牵引设备及张力设备的锚固应(),接地应良好。
A.可靠
B.牢固
C.安全
D.有效
答案
参考答案:
A
填空题
若a<0,则a( )2a;若a<b<c,则a·b·c( )0(选填“>”、“<”、“=”)
查看答案
选择题
The owner of the cinema needed to make a lot of improvements and employ more people to keep it running, _____ meant spending tens of thousands of pounds.
A. who
B. that
C. as
D. which
查看答案