定位理论把关注很产品或品牌自身转向消费者。
A. 对
B. 错
Researches found several important (different) ____in the way boys and girls learn a foreign language.
When there is something serious wrong, people usually expect an apology.
A. 对
B. 错
The workers in the factory demanded that their pay should raise by 20 percent.
A. 对
B. 错