题型总结：
Section A:
1、but 题型 2、场景题(线索词) 3、替换题(听到什么不选什么)
Section B:
1、主观题(找积极态度，正面评价) 2、客观题(数字题，听到什么选什么)
3、宏观题(中心思想题) 4、细节题(注意中间的提示词)
替换题paraphrase：
1、词组与词的替换(一般题干中出现词组;选项中出现词)。
比如：run into sb. = meet sb. call off = cancel
2、词与词替换(同义词或者反义词替换)
比如：interesting = stimulating;fascinating;exciting;not boring
[P25-10]
A) One.
B) Four.
C) Five.
D) None.
M: I hope there werent many visitors when I was away yesterday.
W: There wasnt a single one, Mr. Green. But I received four phone calls before I left the office at about 5:30.
Q: How many people visited Mr. Greens office yesterday?
注：not a single one = none
[P27-1]
A) Read four chapters.
B) Write an article.
C) Speak before the class.
D) Preview two chapters.
W: What is the home assignment from Professor Smith? I missed the class this morning.
