患者无痛性血尿数周，肾盂造影示肾盂内不规则充盈缺损，首先考虑以下哪种疾病（） A.肾

甲公司是一股份有限公司，下列各项中，应当召开临时董事会的有（）

A．代表30%表决权的股东张某提议

B．总经理王某提议

C．40%的董事提议

D．监事刘某提议

句型转换。

 In the accident many people were killed, but meanwhile there were some who were unhurt.  

 In the accident many people were killed, but             there were some who were unhurt.

不属于吩噻嗪类的药物是

A．奋乃静

B．三氟拉嗪

C．氯普噻吨

D．硫利达嗪

E．氯丙嗪

一对主备的TSOU板输出（）路时钟信号。

A.10

B.20

C.40

D.60

气相色谱分析法定性依据是（）

A.死时间

B.色谱峰高

C.峰面积

D.色谱峰宽

E.保留时间