可导致类短暂性脑缺血发作的有：（）
A.颅内肿瘤
B.慢性硬膜下血肿
C.脑内寄生虫
D.低血糖
E.颅内脓肿
参考答案：A, B, C, D, E
— The woman biologist stayed in Africa studying wild animals for 13 years before she returned.
— Oh, dear! She _____ a lot of difficulties! [ ]
A. may go through
B. might go through
C. ought to have gone through
D. must have gone through
《三国演义》、《水浒传》的作者分别是
A、曹雪芹、蒲松龄
B、罗贯中、吴承恩
C、施耐庵、罗贯中
D、罗贯中、施耐庵
