怎样表现不会给人留下良好的第一印象()
(A)沉默
(B)微笑
(C)真诚
(D)鼓励
参考答案:A
.
________! We first got a flat tire, and now my cell phone is dead.
A.For what
B.What’s up
C.Guess what
D.What’s on
附着式升降脚手架作业时外层应设置高为()的防护栏杆和()的挡脚板。
A.1.2m,180mm
B.1m,180mm
C.1.2m,200mm