随着现代科技的迅速发展，互联网已经成为生活和工作中必不可少的一部分。
2. Nowadays, both teachers and parents worry a great deal about the student’s using the Internet.
如今，老师和家长都对学生上网现象极为担心。
3. No invention has received more praise and abuse than Internet.
没有一项发明像互联网一样同时受到如此多的赞扬和批评。
城市建设和发展主题
1. An increasing number of experts believe that migrants will exert positive effects on construction of city. However, this opinion is now being questioned by more and more city residents, who complain that the migrants have brought many serious problems like crime.
越来越多的专家相信移民对城市的建设起到积极作用。然而，越来越多的城市居民却怀疑这种说法，他们抱怨民工给城市带来了许多严重的问题，比如犯罪。
2. Many city residents complain that it is so few buses in their city that they have to spend much time waiting for a bus, which is usually crowded with a large number of passengers.
许多市民抱怨城市的公交车太少，以至于他们要花很长时间等一辆公交车，而车上可能已经满载乘客。
3. Any government, which is blind to this point, may pay a heavy price.
任何政府忽视这一点都将付出巨大的代价。
4. In view of the seriousness of this problem, effective measures should be taken before things get worse.
考虑到问题的严重性，在事态进一步恶化之前，必须采取有效的措施。
5. It is indisputable that there are millions of people who till have a miserable life and have to face dangers of starvation and exposure.
无可争辩，现在有成千上万的人仍然过着挨饿受冻的痛苦生活。