如果某种商品需求弹性系数大于1,则降价销售会导致()。
A.销售利润减少
B.销售利润增加
C.销售收入减少
D.销售收入增加
参考答案:D
I am going to Tian’anmen Square to watch the raising of the national flag with Lin Tao ________ it rains early tomorrow morning.
A.if
B.unless
C.when
D.since