choose the tips for going shopping mentioned in the mini-lecture.
A. talking about preference
B. talking about shopping plan
C. selecting the gifts
D. going shopping online
查看答案
which one belongs to the programme list?
A. talent show
B. magic show
C. fashion show
D. Peking opera
what kind of film does John like best?
A. science fiction films
B. cartoons
C. action films
D. horror films
what kind of films does John like?
A. cartoons
B. horror films
C. action films
D. science fiction films
函数ƒ(x)在区间[a,b]上的最大(小)值点必定也是极大(小)值点。()
A. 对
B. 错