输送蒸汽的供热管道进行吹洗时采用的介质是（）。 A.热水 B.蒸汽 C.冷水

17.5乘一个小数，积一定小于17.5______．

The old lady, _______ had been killed in the war, was given help by the local government．

A．all her children

B．all of her children

C．all of whose children

D．whose all children

皮质层

下列治疗气厥实证的组穴是：（）

A.水沟、内关、行间、涌泉

B.水沟、内关、太冲

C.水沟、内关、十二井

D.水沟、内关、巨阙、丰隆

E.百会、气海、足三里

缺乏叶酸的乳品是

A．母乳
B．鲜牛奶
C．8%糖牛奶
D．全脂奶粉
E．羊奶