知识课的流程（）

According to the Customs Law, while the examination is being carried out, () should be present and responsible for moving the goods, opening and restoring the packing.

A.表达式语句

B.for语句

C.if语句

D.while语句

A.if-elif-else语句

B.while语句

C.do-while语句

D.for语句

A.第11次课

B.第12次课

C.第13次课

D.第14次课

A.传授新知识的课

B.巩固知识课

C.培养技能技巧课

D.检查课

A.内容精炼

B.小步子原则

C.知识搜索方便

D.应用性相对较弱

A.化学理论课

B.化学复习课

C.化学实验课

D.元素化合物课

A.活动课

B.经验课

C.隐性课

D.学科课