【问】 请讲一讲differ from，differ with与differ in，differ about之间的异同。
 【答】 differ from是指“与……不同”(different from/than)：
 1. Wisdom differs from cunning. (MD)
 智谋不同于奸诈。
 2. Modern cars differ from early ones in many ways...
 现代汽车与早期汽车在许多方面是不同的……
 differ with是指“与……持不同意见”、“与……有分歧”：
 1. He differs with the other members of his party on that issue. (MD)
 关于那个问题他与其他党员意见有分歧。
 2. I differed with you in that matter. (OED)
 对于那件事我与你有分歧。
 differ in是指两个以上的人或物在某个具体的方面(例如，大小、颜色、价格、兴趣等)有区别：
 1. The brothers differ in their interests. (MD)
 他们兄弟在兴趣方面是不同的。
 2. The houses in the row differ only in small details.
 这排房子只是在很小的细节上有所不同。
 differ about是指“在……方面有分歧”：
 We differ about moral standards. (EED)
 我们对于道德标准有不同的看法。
 请做下面的英语试题：
 1. Pure cane sugar and pure beet sugar are chemically identical and do not different insweetness. (TOEFL，82. 8)
 2. “What is the new Literature Course like?”“It____the students aren't required to at-tend lectures. ”
 A. differs than the old course because
 B. is different than the old course due to
 C. differs from the old course in that
 D. is different from the old course with respect to(TOEFL，73. 10)