- UID
- 1333346
- 在线时间
- 小时
- 注册时间
- 2018-3-14
- 最后登录
- 1970-1-1
- 主题
- 帖子
- 性别
- 保密
|
rc:2.16库里的手指实验和laser都考到了,总共考了三片,有两篇阅读题目都有5题
https://www.nytimes.com/1983/09/29/business/technology-laser-surgery-a-repair-tool.html
https://www.nytimes.com/1985/01/29/science/laser-is-designed-to-clean-arteries.html
是原文吗?
Then came the bypass: the grafting of foreign veins on to heart arteries so that blood could again flow round the lipid fats clogging those arteries. Now the bypass is giving way to noninvasive techniques. One is balloon angioplasty, in which a balloon is inserted in the thigh and guided to the heart where it is inflated to press open the artery. Possibly the most powerful but certainly the least proven technique is the laser, currently being refined in America and Europe. Lasers can vaporise
|
|