在SQL的 Select 命令中用（）短语对查询的结果进行排序。

(2013·浙江高考)Half of ________ surveyed in 16 countries say they go first to their closest friend to share their deepest wishes and darkest fears.

A．these

B．some

C．ones

D．those

对于病原体检测的血清学实验，错误的有（）

A.一般要在病程早期和晚期分别采血标本2～3份检查

B.IgM的检出表明原发性感染

C.感染后即可检出抗体

D.适于疾病的早期诊断

E.单份血清诊断意义不大

女患者，34岁，每于经期低热，午后为甚，伴五心烦热，两颧潮红，口燥咽干，月经量少，色鲜红，舌红少苔，脉细数。治疗首选方剂是（）

A.两地汤

B.血府逐瘀汤

C.清经散

D.补中益气汤

E.知柏地黄汤

《本安体系》桥式吊车作业管理中规定：桥式吊车闸皮与制动轮的间隙在转动时保持（）mm之间，停止时接触紧密。

A、0.4～0.6

B、0.5~0.7

C、0.6~0.8

What do we know about Susan

A．She learned Spanish in America.

B．She doesn’t know Spanish.

C．She improved her Spanish in Mexico.

D．She knew Spanish before going to Mexico.