市场调查计划的结构和内容随具体情况而有所变化,一般包括( )等。
A.调查目的
B.调查内容和范围
C.调查资料
D.调查进度
E.调查方法
参考答案:A,B,D,E
制作酸奶需要用到的微生物是[ ]
A.酵母菌
B.醋酸菌
C.甲烷菌
D.乳酸菌
--What did the teacher say to you just now? ---She asked me ___.
A.if I hace finished my homework
B.if my homework had finished or not
C.whether or not had I finished my homework
D.whether I had finished my homework