1._____ sleep do you need?Nine hours’sleep.

题目

1._____ sleep do you need?Nine hours’sleep.
A.How much B.How long C.How much D.How often
2.I can learn much _____ the Internet.
A.in B.on C.at D.searce
3.Eating and sleep well _____ you keep in good health.
A.helps B.helping C.helped D.help
4.(适当形式填空)
Do you eat _____?（health）
5.decide to do sth.与decide on doing sth.有什么区别?

答案

1.A/C 两个答案不是一样的么?
how much 是“多少”的意思,形容不可数名词;how long 是“多久”；how often 表示做某事的频率
2.B on the Internet 是固定搭配
3.A 根据就近原则
4.healthy 副词；健康地；吃得健康
5.差不多