15．
About 70，000，000Americans are trying to lose weight（减肥 ）．That is almost out of every 3people in the United States．Some people eat （68）less food and they hardly have any fat or sweets．Others do running，exercise with machines，take medicines，or even have operations（手术）．So you can see losing weight is （69）hard work，and it will also cost（花费） a lot of money．But （70）why do so many people in the United States want to lose weight？Many people in the United States worry about their （71）healthbecause many doctors say overweight is not good．
Most people want to find a faster and （72）easierway to take off fat，Losing weight can be （73）expensive．Some overweight people go to health centers，Men and women pay several hundred dollars a day at these health centers．People live there for one week or two，taking exercise，eating different foods．Meals there may be just a little．All this works for losing weight．After 4days on the program，one woman called Mrs Warren lost 5pounds （2.27kg）．she （74）spent 320losing each pound．But she said she was still （75）glad to do so．
| spent healthy，less，hard，easier，expensive，how，why，glad，health |
Most people want to find a faster and （72）easierway to take off fat，Losing weight can be （73）expensive．Some overweight people go to health centers，Men and women pay several hundred dollars a day at these health centers．People live there for one week or two，taking exercise，eating different foods．Meals there may be just a little．All this works for losing weight．After 4days on the program，one woman called Mrs Warren lost 5pounds （2.27kg）．she （74）spent 320losing each pound．But she said she was still （75）glad to do so．
11．-The more careful you are，the mistakes you will make．Do you think so？
-Yes，I will be more careful next time，thanks．（ ）
-Yes，I will be more careful next time，thanks．（ ）
| A． | fewer | B． | fewest | C． | less | D． | least |
10．When it rained，I was making my way to school yesterday ．（ ）
| A． | heavily | B． | hardly | C． | strongly | D． | luckily |
9．-What would you do if you hurtin P．E class？
-I would ask---teacher for help．（ ）
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-I would ask---teacher for help．（ ）
| A． | my | B． | your | C． | yours | D． | yourself |