下列说法正确的是A．在活动窗体中只能通过拖拉右上角和左下角的小方块来同时在高度和宽度

可引起血红蛋白尿的药物（）。

A.伯氨喹啉

B.奎宁

C.呋喃妥因

D.苯

E.以上都是

一Jack rang you up while you were out. He had something important to tell you.

一_______?

一No, he'll call you later. [ ]

A. Shall I call him back

B. Will he call again

C. What is it about

D. Where is he now

患者，女，70岁，口角糜烂疼痛不适数周，检查见全口牙齿缺失多且余留牙磨耗严重，口角区皮肤皱褶多，潮湿、发白、皲裂、糜烂，结薄痂。渗出物涂片见较多菌丝。诊断为（）

A.白斑

B.念珠菌性口角炎

C.唇疱疹

D.盘状红斑狼疮

E.慢性唇炎

ETA/pilot reverting means（）.

A.ETA pilot station has been given

B.ETA pilot station will be given afterwards

C.ETA pilot station was not given

D.ETA pilot station is given

有如下定义struct person {char name[9]；int age；}；struct person class[10]={"John"，17，"paul"，19，"Mary"，18，"Adam"，16，}；根据上述定义，能输出字母M的语句是

A．printf("%c\n"，class[3].nam；

B．printf("%c\n"，class[3].name[1])；

C．printf("%c\n"，class[2].name[1])；

D．printf("%c\n"，class[2].name[0))；