1.The main reasons why teenagers surf the web are to learn information,communicate with others and to have funs.
2.Steam engines had not yet been invented,nor would they for a long time.
3.If you are tired of using the underground services,you can use buses instead.
4.You will need to establish an account.Log on to your homepage.Now search for Amazon.com.
5.Foreign creatures,such as monkeys,snakes and even wolves,find a home with some Americans.
6.The foods Americans now shoose are often too rich in calories and fats.
7.She wished that her father was as easy to please as her mother.
8.I apologize for forgetting myself,but I do need some time off.
9.China has won its bid to host the Olympic Games in Beijing 2008.
10.Between 10 and 20 million chickens across the region have died or been killed in an attempt to stop the spread of the virus.
11.Engineers and scientists are currently exp;oring the possibility of creating space ships with large wings like sails.
12.We are looking foe YOU who express honesty and friendliness,and whose ears listen openly to others.
13.If you look at a map of London transport,you will find lines of different colors snaking to different directions.
14.The key to good health and good figure is to keep a healthy and balanced diet.
15.Both furnished and unfurnished apartments usually include major kitchen appliances such as a stove and a refrigerator.

1. The main reasons why teenagers surf the web are to learn information,communicate with others and to have funs.
青少年上网冲浪的主要原因是：了解信息，与人交流，找找乐趣。
2.Steam engines had not yet been invented,nor would they for a long time.
假如蒸汽机未发明，也就不会（让人使用如此）长的时间了。？
3.If you are tired of using the underground services,you can use buses instead.
如果您乘坐地铁厌了，您可乘坐巴士。
4.You will need to establish an account.Log on to your homepage.Now search for Amazon.com.
您将需要在您的主页上建立一个登录帐户，现在就搜索Amazon.com.吧！
5.Foreign creatures,such as monkeys,snakes and even wolves,find a home with some Americans.
一些外来动物，如猴子，蛇，甚至狼，都成了一些美国人的居家住户了。
6.The foods Americans now choose are often too rich in calories and fats.
美国人现在选用的食品往往热量和脂肪含量过高。
7.She wished that her father was as easy to please as her mother.
她祈愿她的父亲能和她的母亲一样为人随和。
8.I apologize for forgetting myself,but I do need some time off.
我很抱歉，我不能光想着自己，可是我的确需要休假。
9.China has won its bid to host the Olympic Games in Beijing 2008.
中国已经赢得2008年北京奥运会的主办权。
10.Between 10 and 20 million chickens across the region have died or been killed in an attempt to stop the spread of the virus.
为阻止病毒蔓延，已把该地区的（估计数量）在1000-2000万只的鸡作了杀死处理。
11.Engineers and scientists are currently exp;oring the possibility of creating space ships with large wings like sails.
工程师和科学家目前正在探索建造带船帆一样的大型机翼的太空飞船的可能性。
12.We are looking for YOU who express honesty and friendliness,and whose ears listen openly to others. 我们正在寻找一个诚实，友好，并能侧耳倾听他人意见的你。
13.If you look at a map of London transport,you will find lines of different colors snaking to different directions.
如果你看一下伦敦交通图，你会发现一条条五颜六色的线条向四面八方蜿蜒伸展。
14.The key to good health and good figure is to keep a healthy and balanced diet.
保持良好健康和优美体形的关键在于要养成一个健康而又均衡的饮食习惯。
15.Both furnished and unfurnished apartments usually include major kitchen appliances such as a stove and a refrigerator.
无论公寓是否配备家具，通常都有炉灶和冰箱等主要厨具。