请教prep 83

andreasyang · 发表于 2010-9-20 00:18:56

83. Although it claims to delve into political issues, television can be （superficial such as when each of the three major networks ）broadcast exactly the same statement from a political candidate.
(A) superficial such as when each of the three major networks
(B) superficial, as can sometimes occur if all of the three major networks
(C) superficial if the three major networks all
(D) superficial whenever each of the three major networks
(E) superficial, as when the three major networks each

答案E，我C怎么错了？

jbc88 · 发表于 2010-9-20 00:49:51

借用XDF一个法则：1。AS WHEN AS WHERE永远对。
2。后面划线，优先用each。

说理：主要是if 和when的区别问题。IF是条件，when是时间。
恩，就这样了。如果你看不出来是时间。。那就参考XDF法则。

如果你觉得XDF法则是江湖术士之言。

恩，我尽力了。

希望看到大牛来分析if 和when

bdsjb116 · 发表于 2010-9-20 01:12:30

这题白勇语法（pdf 第64页）里有之前我也问过。他说是条件从句把when改if必然改变原意。我后来想了的确是有区别的。

用if 感觉是一个条件从句: superfical 的条件是三个一起播。但原句的是意思是强调三个一起播是superficial的一个表现形式。

请教prep 83

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