异节奏流水施工中,流水步距应等于各个流水节拍的()。
A.最大公约数
B.最小公倍数
C.最大公倍数
D.最小公约数
参考答案:A
–What do you think of your job, Bob?
–Though ____ flexibility, it is a job____ you are doing something serious but interesting.
A.lacking; where
B.lacking of; which
C.lacking in; when
D.lacking; that
妊娠咳嗽的主要治法是()
A.养阴润肺,止咳化痰
B.健脾除湿,止咳化痰
C.疏风清热,宣肺止咳
D.清热润肺,化痰止咳
E.养阴生津,止咳化痰