为什么为人民服务能成为社会主义道德建设的核心？

隐睾症在青春期男性中约占（）

A.50%

B.33%

C.10%

D.3%

E.不到1%

Tr12×1.5螺纹的中径是（）mm。

A、10.5

B、9.0

C、11.25

D、11.5

The nurse is caring for a bulimic client and an anorectic client. What cognitive characteristics would be similar for both of these clients（）

A. Perfectionism, preoccupation with food.

B. Relaxed personality, but preoccupied with food.

C. No similarities.

D. Preoccupation with exercise.

石瘿相当于西医的

A．甲状腺炎

B．甲状腺癌

C．甲状腺肿

D．甲状腺病

E．甲状腺瘤

行经人行横道要区分人行横道有无行人通行，若有减速慢行。