题目内容

Just as a force is required to change the speed of an object,（）a force must act to cause a change in the direction of the motion.

A. as
B. thus
C. so
D. like

查看答案

搜索结果不匹配？点我反馈

更多问题

下列为气血双补之品的药物是

A. 大枣
B. 蜂蜜
C. 廿草
D. 白术
E. 山药

If you were offered a trip to the moon,（）it

A. did you accept
B. are you going to accept
C. will you accept
D. would you accept

You've worked long and hard at your job, and it's about time you（）able to see some financial re- wards for it.

A. should be
B. were
C. must be
D. are

桔梗的功效是

A. 消痰行水，降气止呕
B. 清热化痰，清心定惊
C. 清热化痰，软坚散结，通淋
D. 降气祛痰，止咳
E. 宣肺，利咽，祛痰，排脓