教学系统设计的要点包括()。
A、教师
B、教材
C、政策
D、等级
参考答案:B
30. Yesterday evening I came across the man _____ you think is pleased to _____.
A.who, talk
B.whom, get along with
C.who, work with
D.whom, be talked with
下面VBA程序段运行时,内层循环总次数是______。 For m=0 To 7 Step 3 For n=m-1 To m+1 Next n Next m