第1个回答 2012-07-01
1.The past decade has seen the advances in computer science and technology at a dizzying pace.
2.Thanks to the development of genetic engineering , someday doctors will be able to replace damaged genes with healthy ones and nobody will die of cancer anymore.
3.As it is difficult to predict what effect this new dring will have on the patient ,probably we should not give it to him in the first place.
4.This nuclear power plant hs existed for twenty years , but it suddenly stopped its operation then years ago ,which is really difficult to understand.
5.Once you connect your computer to the Internet, you will find that many services on the Internet — email for one — are provided free of charge .
6.At different stages of my life Ihave been a teacher,a salesman , a manager and so on . Now it seems that my career has come full circle and I am teaching again at this college that I left thirty years ago.