农村腹泻和呼吸道感染是导致婴幼儿死亡率的主要原因,应主要针对下列哪一人群进行教育()
A.婴幼儿
B.小学生
C.妇幼保健人员
D.儿科大夫
E.妇女
参考答案:E
小明的爸爸从早上8:00上班到下午4:00下班,他一天工作了多少小时?
In calculating the Standard & Poor's stock price indices, the adjustment for stock splits occurs:()
A. by adjusting the divisor.
B. automatically, due to the manner in which the index is calculated.
C. by adjusting the numerator.