13. ________ a smiling or sad face added to a post, your reader can “see” your facial expression.

注意的双加工理论认为，当信息通过过滤器装置时，不被注意的信息在强度上减弱了，而不是完全消失。

36.

主张“一切知识都是从感官的知觉开始的”的教育家是夸美组斯。（ ）

29. Under the regulation, restaurants and hotels shall stop offering throwaway items ________ customers request them.

16. —Could you do me a favor and take the box up to the six floor?—________.

豁达表现为教师气度宽宏大量，但学生违反纪律就绝不能宽容学生的错误。  

22. What a terrible experience! ________, you’re safe now—that’s the main thing.

39.

51. What can we infer from the passage?

52. What is special about China’s cloning monkey?

28. —You’ve left the light on.—Oh, so I have. ________ and turn it off.