人们的消费受相关商品价格变动的影响,如果A商品和B商品的关系如下表,则商品中①②的需求量分别是 :
A.增加 减少 B.减少 减少 C.增加 增加 D.减少 增加
It was dark, ______ I couldn’t see what was happening.
I often go on holiday with my parents _____ summer.
Tom is a book lover. ______ likes reading very much.
Read this story,you will realize that not everything can be bought with money.
— Doctor, I’ve caught a cold. Shall I take some medicine? — No need. Your body itself can the cold. Just drink more water.