否定句型：
1.Instead of indulging in playing computer games, children should be taught how to benefit from useful information on the Internet.
应该教孩子们如何从互联网获取有益的信息，而不是沉溺于玩电脑游戏。
2. On no account (Under no circumstances) can we ignore the immense value of knowledge.
我们绝不能忽视知识的巨大价值。
3. College students take part-time jobs not for more money but for a better understanding of societies.
大学生参加兼职工作不是为了赚更多钱，而是为了更好地了解社会。
4. One’s salary does not depend so much on his educational background as on his ability and contribution to the society.
一个人的工资与其说取决于他的教育背景倒不如说取决于他的能力和对社
会的贡献。
5. In terms of nutrition, fast food is far from satisfactory.
从营养角度来说，快餐远非令人满意。
6. Parents would not expect their children to become useful persons without working hard.
父母们不能指望孩子们不经过刻苦努力就可以成才。
非限制性定语从句：
1. Undoubtedly, practical courses can be used to the reality, which is of vital importance to their development in the future.
毫无疑问，实用性课程可以用于实际中，这对于他们未来发展是非常重要的。
2. Children tend to imitate what they have seen and heard on mass media, which is sometimes dangerous and harmful.
孩子们倾向于模仿大众媒体上的所见所闻，这在有时是危险和有害的。
3. The majority of students believe that part-time jobs will provide them with more opportunities to develop their interpersonal skills, which may put them in a favorable position in the future job markets.
大部分学生相信业余工作会使他们有更多机会发展人际交往能力, 这对他们未来找工作是非常有好处的.
让步状语从句：
1.This view is widely acknowledged; however，there is little evidence that smoking is beneficial to people’s health.
这个观点被广泛认可，然而，几乎没有证据表明吸烟对人们健康有利。
2. Although(While) the computer has been widely used in class, it cannot replace the role of teachers.
尽管计算机已经广泛用于课堂，但是它不能取代教师的作用。
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