1. Cars are responsible for most of the smog in cities, _______________ (这已经对环境造成了严重的污染).
2. Man should not exploit the natural resources _______________(以牺牲其他物种为代价).
3. How close parents are to their children______________________(有很强的影响)the character of the children.
4. In the Chinese household, grandparents and other relatives__________________(起着不可缺少的作用)in raising children.
5. He always dreams of _________________(有个机会)for him to bring into full play his potential.
参考答案：
1. which has seriously polluted the environment
2. at the cost of sacrificing/loss of other species_
3. has a strong influence on/effect on
4. play indispensable roles
5. there being a chance
1. You should _______________(留心任何一点变化) in the patient while the doctor is away.
2. The snow ______________________ (已持续下了几个小时) and the ground is completely covered.
3. I have no objection_______________________(再听听你的故事).
4. There is no doubt that __________________________ (近视是一个很严重的问题)among the youth of our country.
5. We have reasons to believe that, _______________ (一个更加光明美好的未来等着我们).
参考答案：
1. keep an eye on the slightest changes
2. has been steadily falling for hours
3. to hearing your story again
4. near-sightedness is a serious problem
5. we would have a better and brighter future
1. The latest census shows that China’s population ______________ (已超过10亿)
2. Modernization will be entirely possible in the first half of the 21st century, as long as we ________________(坚持认为)that economic development is the center of all our work.
3. When Sandy recovered from cancer, her doctor ___________________________(把此归因于她对未来的信念).
4. The room is in a terrible mess; it _____________________(肯定没打扫过)
5. Mark often___________________(试图逃脱罚款)whenever he breaks traffic regulations.
参考答案：
1. has exceeded one billion
2. hold an idea/ insist on the idea/ stick to the idea
3. attributed it to her firm belief in the future
4. can't have been cleaned
5. attempts to escape being fined
1. We had to start at exactly the same time,___________________(所以我们必须核准手表).
2. _________________________ (他是否是工作的合适人选)is still a controversial issue.
3. Fertilizer are used primary to enrich the soil and _______________________ (提高产量).
4. Sorry I didn’t realize ______________________(这是个如此敏感的问题).
5. According to my personal experience , ___________________ (微笑已带给我许多好处).
参考答案：
1. so we had our watches checked
2. Whether he is the right person for the job
3. to increase yield
4. it was such a sensitive issue
5.smile has done me a lot of good
1. There are plenty of opportunities for everyone in our society，______________ (但是只有那些做好充分准备并且高度称职的人)can make use of them to achieve purpose.
2. We have had ten recorders ,but we still need ________________(需要这么多)as again.
3. He was convinced on the basis of _______________________(当时已出现的情况)that there would be a long and difficult struggle.
4. At the end of his speech, the school master encouraged the children to work hard ______________________ (不要让父母失望).
5. With tears on her face, the lady ____________________________(看着他受伤的儿子被送进手术室).
参考答案：
1. but only those who are prepared adequately and qualified highly
2. as many
3. what had appeared by then
4. and not to let their parents down
5. watched her injured son sent into the operation room.
编辑推荐：