参考:
应该找的选项是同时包含关键词,close/open ; profit/cost 的选项,
A a higher cost,moderately profitable,但没有close/open
B C 没涉及到关键词,无关选项
D closed 但是没有profit/cost
E Closure;at enormous cost 同时出现,符合
错b,People who prefer low-calorie syrup generally use about the same amount of syrup on their pancakes as those who prefer regular syrup. 用量在per pancake上相同,其实与结论无关。常识理解错误。以为是所有的用量。
对d,方案
A. Correct Usage
B. error 1 - either-or formation is not parallel; error 2 - although...while formation is incorrect
C. error 1 - verb act does not modify the clause preceding it; error 2 - although...while formation is incorrect
因果类型的题 :
1.提出造成因果的他因
2.说明因果比同时发生或者不同时消失
3.提出因果倒置的可能性
方案类型的题 :
1. 可行性
2. 可操作性
3. 副作用