健康行为指导的目的是帮助学生把学到的卫生知识渗透到()中
A.日常学习
B.日常锻炼
C.日常生活
D.疾病防治
E.健康促进
参考答案:C
— Why didn’t you try to finish the composition?
— I tried to , but I could, the bell rang announcing the end of the examination time.
A.until
B.when
C.before
D.after
观看彩色印刷品规定光源的色温是多少?()
A.5000°K
B.6500°K
C.7500°K
D.4800°K