T1加权像颅内见高信号病变首先考虑到______或______信号,为鉴别病变性质,需加扫T1加权像使用__________。
参考答案:出血、 脂肪、 脂肪抑制技术
书面表达。
人类只有一个地球。根据提示,以“Saving the Earth”为题,写一篇80词左右的短文。
提示:
1. 如何保护环境已成为世界最大难题之一;
2. 各种污染破坏环境,损害健康;
3. 不要乱倒垃圾,乱排废水;
4. 我们应该保护环境,使我们的家园更加美丽。
___________________________________________________________________________________________
After that, he knew he could _______ any emergency by doing what he could to the best of his ability.
A.get away with
B.get on with
C.get through
D.get across