He's ___________ ready for bed.[ ]
A. geting
B. getting
C. get
答案:B
A.( He was at a news conference
B.( He was on a business trip
C.( He was traveling with the company’s CEO
D.( He was negotiating with a New York agent
一般以管线覆土深度( )m作为划分深埋和浅埋的分界线。
A.1.2 B.2.0 C.1.5 D.2.4