22，the result of...的结果 as a result 结果

23，be surprised that/ be surprised at/ be surprised to do 对...很惊讶

　　To one's surprise另某人惊讶的是 in surprise惊讶地

24，the answer to the question，a key to the door，a ticket to the ball game

25，although=though（与but不能连用）

　　Even though/ if即使，尽管 as though/ if仿佛，好像

26，by介词+n/ v-ing/ 代词 通过...方式

　　by oneself独自地 by the way顺便问/说一下 by chance/ accident偶然地

　　by mistake错误地 learn by heart记住

27，the best way/ time to do 做某事最好的方式/时间

28，4个花费：人+spend/ spends/ spent+时间/钱+（in）doing sth/ on sth spend time with sb

人+pay/ pays/ paid +钱+for sth

It takes/ took sb +时间+to do sth

物+cost/ costs/ cost +sb +钱

29，die v.死亡，消失 died过去式

　　dead adj死亡的，无生命的 dead dog have/ has been dead for...=died...ago

　　dying adj垂死的，快死的

　　death n 死亡 the death of...

30，before it's too late趁来得及

31，"数字+percent of+ n"作主语，谓语动词取决于n

Eg：Twenty percent of the students exercise every day.

Twenty percent of time passes.

32，no one =nobody指人，回答who，anyone，anybody的提问

　　None指人或物，可接of 短语，（→all ≥3）回答how many/ much，any，及有特定范围（which）的提问

　　nothing指物，回答what，anything的提问

单项选择

1. He _________goes to bed late. He _________goes to bed early.

A. always, often B. often, hardly ever C. never, always D. hardly ever, always

2. She exercises once _______twice a week, but she watches TV at least two _________six times a week.

A. or, or B. or, to C. to, to D. to, or

3.---________does he go shopping? ---Twice a week.A. How B. How often C. How long D. How many times

4. ---________does he use the Internet a week? ---Once.A. How B. How often C. How long D. How many times

5. ---________did you sleep last night? ---Nine hours.A. How B. How long C. How many hours D. How often

6. ---________did you sleep last night? ---Nine. A. How B. How long C. How