东南亚人比较喜欢吃的主食应为
A.拉面
B.玉米面的窝窝头
C.大米饭
D.戗面馒头
答案:C
题目分析:东南亚各国普遍种植水稻,稻米是当地居民的主要粮食,也是传统的出口产品,故选C.
秦始皇统一六国有利于社会生产的发展。这种“有利于”主要是指()
A.推广了农业经验
B.创造了安定环境
C.减轻了人民负担
D.促进了各地交流
Changing rescuers while carrying out artificial respiration should be done().
A.without losing the rhythm of respiration
B.only with the help of two other people
C.by not stopping the respiration for more than 5 minutes
D.at ten-minute intervals