人和动物的根本区别是[ ]
A.群居生活
B.语言的产生
C.制造工具
D.火的使用
答案:C
The child was so ingenuous that even when she knocked the television off its stand so that it was irreparably damaged, her parents thought her to be charming.
A.intelligent
B.ingenious
C.adroit
D.naive
世界海洋上最著名的季风海流区为()
A.北太平洋
B.北大西洋
C.北印度洋
D.中国南海