题目内容

Colours can change our moods and make us ________ happy or sad, energetic or sleepy.

A. to feel
B. feel
C. felt
D. feeling

查看答案
更多问题

It’s a good habit ________ breakfast every day.

A. had
B. have
C. has
D. to have

下列关于药物杂质的叙述正确的是()

A. 杂质可以完全除尽
B. 杂质也具有一定的治疗作业
C. 杂质的存在影响药物的纯度,但不会影响其稳定性
D. 杂质的引入在药物生产与贮藏过程中不可避免

将牛奶加热71.7℃15~30s的目的是()

A. 抑制牛奶中的杂菌
B. 防止奶中细菌生长
C. 杀灭奶中病原菌
D. 杀灭奶中所有细菌
E. 使牛奶中不含活菌

Drivers are warned ________ when they are tired.

A. to drive
B. not drive
C. not to drive
D. not driving

答案查题题库