Unit2单元练习

1、一.句子翻译：1、网购的缺点是商品的质量不能得到保证。(quality, ensure) 2、质量往往比数量更重要。3、他仍专心致力于化学研究。(be devoted to)4. 他把一生都献给了造福人类的事业。(devote oneself to)5、那次地震使得许多人无家可归。(leave, homeless) The shortcoming of shopping online isthat the quality of its goods can not be ensured. Quality often matters more than quantity. He was still

2、 devoted to the study of chemistry.He has devoted his whole life to benefiting mankind. The earthquake left many people homeless.6. 杨利伟是一名军事飞行员，1998年就开始为这次太空飞行接受培训。（用非限制性定语从句） Yang Li Wei, who was a pilot in the army, started training for his space flight in 1998.7、她在学业上对子女很严。 Shes very strict with

3、her children in studies.8、这位伟大的领导与人民一起抗击洪水。 The great leader fought with the people against the flood.9、只有这样我们才能取得进步。 Only in this way can we make progress.10、我们每个人都知道学习一门外语的重要性。（be known to） The importance of learning a foreign language is known to every one of us.11. 为了筹钱，母亲不得不卖掉房子。 In order to ra

4、ise money, mother had to part with/sell our house. 12、他伤势很重，但有望康复。(pull through) His injuries are severe but he is expected to pull through.13、幸亏他体质好（strong constitution），杰克才得以平安度过这场大病。 Thanks to his strong constitution, Jack was able to pull through his serious illness.用5句话表达下列短文：随着经济和科技的发展，当今大部分孩子

5、花很多时间上网。很多父母开始意识到他们必须对此做些事情。他们认为，其中一个原因是保护孩子的视力很重要。有些父母对孩子非常严格，如限制孩子们上网的时间。有些家长甚至强迫小孩放弃上网。其他家长不同意他们所说的话。他们认为只要孩子正确使用网络，他们不但能学到有用的知识，而且在学习上能取得进步。With the development of economy and technology, most children today spend a lot of time surfing the net. Many parents have come to realize that they should

6、do something to that. One of the reasons is that, in their opinion, it is important to protect the kids eyesight. Therefore, some of the parents are strict with their kids such as limiting their time for surfing the Net and some of the parents even force their kids to give up going on line. However, others dont agree with them because they think kids can not only learn u