市场机制的三要素为()。
A.自愿
B.竞争
C.供求
D.价格
参考答案:B, C, D
Despite such a big difference in________towards what one eats,there is no doubt that people in the
west regard the Chinese food as something special.[ ]
A.point
B.idea
C.attitude
D.sight
试析教养方式及其对儿童发展的影响。