IDR的编码方式()。
A.3/4FER
B.ARQ
C.HEC
D.SBC
参考答案:A
—What's the matter with you?
—I'm _______, I want some water to drink. [ ]
A. thirsty
B. hungry
C. tired
D. sleepy
早孕的临床症状为()
A.停经
B.早孕反应
C.尿频
D.蒙氏结节
E.以上都是