子宫颈癌根治术后,拔出尿管的时间()。
A.1~2天
B.3~4天
C.5~6天
D.7~14天
E.2周以上
参考答案:D
I don't like making speeches. I feel ______ talking in front of many people. [ ]
A. tired
B. strange
C. careful
D. nervous
HIV进入人体血液后,一般可进入下列哪些细胞()
A.淋巴细胞
B.巨噬细胞
C.中性粒细胞
D.朗格汉斯细胞