考察消费者的心理要求的调查方式主要有()。
A、电话调查
B、电子邮件调查
C、询问调查
D、直接观察
参考答案:D
— Have you _____ Wang Hua to give up playing the computer games?
— No. I have talked to him many times, but it didn't work. [ ]
A. advised
B. suggested
C. allowed
D. persuaded
把10个苹果和3个桃放在同一个箱子里,摸10次,摸到( )的次数多些,摸到( )的次数少些。