直肠手术最易损伤的泌尿器官是()
A.膀胱
B.精索
C.前列腺
D. * *
E.输尿管
参考答案:E
解析:直肠手术最易损伤的泌尿器官为输尿管。
—How about surfing the Internet this evening?
—______. but I'll be busy with tomorrow's exam. [ ]
A. That's right
B. I can't
C. It sounds great
D. No, I'm terribly sorry
两项选择题是封闭式问句的一种常用形式,它的备选答案有()项。
A、一
B、二
C、三
D、四