从文中可以看出,作者对给长辈红包这种现象的态度是:
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不定期地进行察访并给予奖酬属于_______的强化手段。
A. 固定间隔安排
B. 自然消退
C. 可变间隔安排
D. 负强化
他家的楼下是:
A. 监狱
B. 酒馆
C. 妓院
D. 法庭
金融市场的短期波动,难以预测,盈亏很难通过技术操作来控制。若投资时间长,则可跨过几个循环周期,可选择景气周期高峰时卖出得利。()
A. 正确
B. 错误
听力原文:M:I was deeply affected by the talk the blind boy gave this morning.
W:I think everyone felt the same.
Q:How did the mall feel about the boy's talk?
(10)
A. It was interesting.
B. It was boring.
C. It was discouraging.
D. It was moving.