健康教育的核心问题是改变人们的()。
A.态度
B.知识
C.行为
D.人生观
E.价值观
参考答案:C
已知抛物线y=ax2经过点(1,3),求当y=4时,x的值
As we all know, many Chinese words have come into English, _____ typhoon, tofu and kung fu.
A.for example
B.that is
C.such as
D.so as to