可靠答案

1) releasing 2) moderate 3) stress/stresses 4) recommended 5) routine
6) magical 7) dairy 8) obvious 9) reduction 10) emotionally
2.
1) are beneficial to 2) be cautious about talking 3) incorporate it into 4) except for 5) attended the meeting in place of him
IV. Banked Cloze
Aware
Percent
Named
Disappearance
Weaker
Private
Keeps
Cuttings
Either
While



Haven’t druck
Twice sa much as
Enough
With
Health
While
Bottled
Taps
Remaining
Controlled
加入循环水不收费，居民家庭耗水将达每人每天400加仑
即使富国有足够的钱来解决这一问题
即为了某些目的而用经过净化处理的污水代替自来水
由于冻鱼比新鲜鱼便宜
将来循环水会变得更加重要
Too much work and too little rest often lead to illness
Many people worry about their drinking water all the time
As it is a better way to catch fish
The price of drinking water was more than double
Therefore,new solutions to it must be found






V. Translation
1.
1) so many overweight people want to reduce their calorie intake so as to lose weight
2) I don’t think you have any magical power to deal with everything all at once
3) A combination of healthy diet and moderate physical exercise can help her recover as soon as possible
4) She didn’t get along well with her roommates, so she stayed away from them.
5) to make it a point to do some running for half an hour every morning so as to tone muscles and burn calories.
2.
1) 如果你很难一次抽出这么长的时间，那就把运动分解成每次10分钟在全天进行。把锻炼列入你每天的生活日程中：走楼梯代替乘电梯，或者把车停在一个离上班地点或学校较远的地方，然后走路去。
2) 但大多数人很难确定他们吃的蔬菜的数量和种类是否适当。很多医生建议人们每顿饭都尽量多吃各种颜色的蔬菜，以确保他们能摄取适当的营养。
3) 显而易见，合理的饮食和有规律的锻炼是非常有益的。吃优质的食品可以使你感觉良好并可以帮助预防多种疾病。运动能让你的身体释放出被称为内啡肽的化学物质，它能减少压力并让你感觉心情愉快。运动强健了肌肉，锻炼了脊柱，使骨骼活络、心肺健康。


Unit4
III. Vocabulary and Structure
1.
1) settler 2) high-quality 3) reclaim 4) courses 5) have farmed 6) resort 7) Gallon 8) precious 9) slope 10) source
2.
1）unpleasant2) effect 3) struck 4)the household 5) on foot instead of by bus
IV. Banked Cloze



V. Translation
1.
1) each household in this city uses up to 300 kilowatts of electricity every month
2) the drought in this region every year lead
to many people being forced to leave their hometown
3) Although I am willing to go to the seaside resort with you on the weekend
4) The gover