应用广谱抗生素后，引起葡萄球菌性或真菌性肠炎，称为（）
A.重复感染
B.再感染
C.交叉感染
D.机会感染
E.混合感染
参考答案：D
简述断肢再植手术的操作原则和顺序。
句型转换,每空一词
1. Zhou Xun is short and has big eyes. (就画线部分提问)
_____ _____ Zhou Xun _____ _____?
2. I know Ge You stars in the movie "If You Are the One". (改为一般疑问句)
_____ you _____ Ge You _____ in the movie "If You Are the One"?
3. Tom is very popular but he is a little bit strict. (就画线部分提问)
_____ _____ Tom _____?
4. I usually wear a shirt in summer. (就画线部分提问)
_____ _____ you usually _____ in summer?
5. Li Fang is of medium height. (改为同义句)
Li Fang is not very _____ and not very _____.
