对新生儿窒息进行复苏，最先施行的根本措施是（）

A.药物治疗

B.建立呼吸，增加通气

C.评价患儿病情

D.尽量吸净呼吸道黏液

E.维持正常循环，保证足够心排出量

• (A) 条件(1)充分，但条件(2)不充分．
• (B) 条件(2)充分，但条件(1)不充分．
• (C) 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
• (D) 条件(1)充分，条件(2)也充分．
• (E) 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．

What is the ratio of men to women enrolled in a certain class
(1) The number of women enrolled in the class is 3 less than half the number of men enrolled.
(2) The number of women enrolled in the class is

of the number of men enrolled.