.

The report shows that global climate change__________the drought in Southwest of China but ______ we need to make greater efforts.

A．accounts for; that

B．due to; whether

C．brings in; what

D．comes up; why

强调从小抓起，在疾病发生之前的健康期预防危险因素的出现是（）。

A.一级预防

B.二级预防

C.三级预防

D.原级预防

E.综合预防