Q30:

Most insomnia is not an illness or a physical condition so much as a symptom of another problem that may simply be a reaction to certain medications, anxiety about travel, or stress before a job interview.

1. an illness or a physical condition so much as a symptom of another problem that may simply be a reaction to certain medications
2. an illness or a physical condition so much as symptomatic of another problem that may be a simple one, like a reaction caused by certain medications
3. so much an illness or a physical condition but a symptom of another problem that may be as simple as when certain medications cause a reaction
4. so much an illness or a physical condition, but it is a symptom of another problem, maybe a simple one like certain medications causing a reaction
5. so much an illness or a physical condition but symptomatic of another problem, maybe simply a reaction to certain medications

Answer: E

这题考的语法点是在哪？从哪里入手呢？

A 首先，都有或多或少的错。

B, like用作举例，首先排除

C,D 并列对象不一致， reaction, anxiety, or stress, 马上排除

A, X is not A so much as B , 古怪结构

E, X is not (so much) A but B, 结构清晰，但是maybe口语化也不好，但是

effectiveness的错！

还是E好点。

这里后面的并列原来是a reaction to certain medications, a reaction to anxiety about travel, or a reaction to stress.. 只是省略了a reaction to而已，所以不是reaction和后面的在并列。Thanks！