C语言源程序文件后缀名是（ ） A．.exe B．.obj C．.bat D．.

对于下列哪些细菌感染，目前有有效的预防方法（）

A.伤寒沙门菌

B.痢疾志贺菌

C.白喉棒状杆菌

D.葡萄球菌

E.破伤风杆菌



“Practice makes perfect” was an old saying.It tells us that it                   1.       

does not any matter if we are slow at doing something.As                             2.       

long as we keep on trying and practice,well do a good job                        3.       

in the end.The saying is especial useful in English study.                              4.       

Since a student is poor at speaking,he should grasp every                            5.       

chance to open mouth and speak English.His oral English                           6.       

may be excellent one day due to his hard works.Not only is                         7.       

the saying useful in English study,it is also helpful in our                                    8.       

daily life.To an extent,it is no short cut in doing everything                         9.       

since key to success lies in “Practice makes perfect”.                                    10.       

用痰标本培养结核分枝杆菌，最好选用哪种前处理液处理标本

A．0.5%硫酸

B．1%硫酸

C．2%硫酸

D．4%硫酸

E．0.5%氢氧化钠

膀胱膨出Ⅰ度为____________，Ⅱ度为____________，Ⅲ度者常合并____________。

不能行走，但有一定躯干控制能力的老人可用轮椅搬运法运送老人。