其他条件不变时，该商品价格增加将导致（）
A.需求量增加
B.需求量减少
C.需求增加
D.需求减少
参考答案：B
— Do you remember the first time we met?
—At that time you ______us a lecture.
A．had given
B．were giving
C．have given
D．gave
--Dad, our class won the first in the sports meeting.
--- .
A．Congratulations!
B．Good luck.
C．That's interesting.
D．Nothing serious.
