呕血最常见的原因
A.消化性溃疡B.食管炎C.白血病D.尿毒症E.急性胃黏膜病变出血
参考答案:A
-----The film is, I have to say, not a bit interesting.
------Why? It’s ______________ than the films I have ever seen.
A.far more interesting
B.much less interesting
C.no more interesting
D.any less interesting
内存与磁盘之间交换信息的最小单位是
A.记录
B.数据项
C.块
D.文件