消费者接受新产品的程序是()。
A.认识
B.兴趣
C.评价
D.试用
E.正式采用
参考答案:A, B, C, D, E
—It’s difficult for the villagers to cross the river for market.
—I think a bridge _________ over the river.
A.was built
B.is being built
C.has been built
D.should be built
最大诚信原则的内容不包括()。
A.告知
B.保证
C.弃权与禁止发言
D.默示