为了进行滑油油样分析,应在发动机()提取油样.
A.起动前
B.停车后尽快
C.起动后尽快
D.停车前
参考答案:B
—Could I go boating this weekend, Dad?
—Yes, you ________. But you have to come back before lunch. [ ]
A. can
B. must
C. need
D. should
与冒相表里的是()。
A.心
B.肝
C.脾
D.肺
E.肾