问题 多项选择题

关于颅内疾病增强扫描,叙述正确的有()

A.由于存在血-脑脊液屏障,正常颅脑增强扫描颅内各部位均无强化

B.强化程度与病变内血管丰富程度有关

C.同一病灶在不同时期可呈现不同的强化方式

D.病灶强化程度与扫描时间关系不大

E.脑肿瘤强化越明显,恶性程度越高

答案

参考答案:B, C, D, E

问答题
写作题

书面表达。

假定你是李华,有一位美国朋友Smith托你在北京找工作.你看到21世纪英文报("21st Century")上登载了一则招聘启事,认为对他很合适.请用英文写一封短信,用Email发给Smith,告知此事.广告原文如下:

Foreign Teachers Wanted!

The Education Department of the Ladder Company is running an English course for children and adults.

Requirements :

1. Native English speaker

2. University degrees in education or related field preferred

3. Foreign expert certification(证明)

If you are interested,  please call us :

Tel : 861068019433

Email : liecbj @ hotmail.com

Beijing Ladder Information Company Limited

注意:

1. 开头语已为你写好;

2. 介绍须包括所有内容,但不要逐条译成英语;

3. 文章的词数需100词左右.

Dear Smith,

I know you want to find a job in Beijing.________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

________________________________________________________________________

                                                                                                          Good luck,

                                                                                                              Li Hua