价格领导
参考答案:
行业中的一家企业决定产品价格,其他企业则相应跟着定价或变价。
The students gave a quick answer to the question ________they did it,________was raised by the foreign visitors.
A.which;which
B.why;which
C.why;that
D.that;that
运输业的性质是指()、()和()。