>>>>考試吧：2015年大學英語四級高級語法講義匯總

　　大學英語四級考試涉及的語法知識點多、涉及面寬，對不少考生來說都是一個難題。希望通過本專題的學習，考生能對四級語法有更全面的掌握。

　　英語四級高級語法：讓步狀語從句

　　常見的連接詞有though, although，as, while, even though

　　區分though，although，as

　　eg：Although/though he is a child, he can live by himself.

　　as 表示雖然的時候，要進行倒裝;

　　Child as/though he is , he can live by himself.

　　eg：Although/though she works very hard ,she makes very little progress.

　　Hard as she works, she makes very little progress.

　　Although/though she is young, she has travelled to many countries to put shows .

　　Young as she is, she has travelled to many countries to put shows .

　　while：連接兩個句子，表示雖然，但是;

　　eg：He is experienced while he is young.

　　真題分析：

　　1.The anti-virus agent was not known

　　(直到一名醫生偶然發現了它)

　　until a doctor find it by chance.

　　2.I would prefer shopping online to shopping in a department store because __________(它更加方便和省時)

　　it is more convenient and timesaving.

　　3.But since water is much cheaper than wine, and many of the fancier brands aren’t available in stores, most diners don’t notice or care.

　　4. While there’s no question that continuous stress is harmful, several studies suggest that challenging situations in which you’re able to rise to the occasion can be good for you.

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