淘宝网为淘宝卖家量身定制，通过关键词竞价，按照点击付费进行商品精准推广服务的工具叫什么（）
A.淘宝客
B.淘宝直通车
C.钻石展位
参考答案：B
四、单句改错,每题1分共5分：
1. He made a trick on her by taking all the money.
2. Now plastic can take place of steel in may ways in life.
3. She apologized the teacher for losing her book.
4. He didn’t turn down for some reason.
5. I was really anxious about you. You should have left home without a word.
( )是调控社会总需求的两大支柱政策。
A．收入政策
B．产业政策
C．货币政策
D．分配政策
E．财政政策
