6、因果句�？�

　　命題者常以文中因果句命制一些考查文中兩個事件內(nèi)在的因果關(guān)系的試題，或出些概括文意、段意試題。一般以"推理性"題型和主旨大意題型出現(xiàn)，兼顧少量其它題型。表示因果關(guān)系的詞有：because,

　　since, for，as,　　therefore, consequently, result

　　in, originate from等。

　　例1. Why? Because company executives are afraid

　　of the bad publicity that would result if the

　　public found out that their computer had been

　　misused . They hesitate at the thought of a

　　criminal boasting in opera court of how…

　　Q：The passage is mainly about______ .

　　(A) why computer crimes are difficult to detect by

　　systematic inspection.

　　(B) Why computer criminals are often able to

　　escape punishment.

　　(C) How computer criminals manage to get good

　　recommendations from their former employers.

　　(D) Why computer crimes can t be eliminated.

　　(分析：選D項。屬主旨大意型。文章前幾段說到了利用計算機犯罪的人即使被抓，不僅不受懲罰，而且還會得到以前老板充滿熱情的推薦信。這是什么原因呢(why?)Because…作了回答。這也就是全文要告訴讀者的關(guān)于計算機犯罪清除不了的原因，故選D。)

　　例2…Certainly it (telephone) has extended the

　　scope of human conflicts, since it impartially

　　disseminates(傳播)the useful knowledge of scientists

　　and the nonsense of the ignorant, the affection of

　　the affectionate and the malice(惡意)of the

　　malicious.

　　Q:The author describes the telephone as

　　impartial because it______.

　　(A) saves lives of people in remote places.

　　(B) Enables people to live alone if they want

　　to.

　　(C) Spreads both love and ill will

　　(D) Replaces much written communication.

　　(分析：選C項。屬邏輯推理型題。Since引導(dǎo)的從句表明電話不偏不倚地傳播著科學(xué)家的真言，無知者的廢話，仁者之愛心，惡者之惡意。因此，從這句話我們可以推斷出電話"spreads

　　both love and ill will"故選C)。

　　例3…The primary reason why it was revolutionary

　　is that it led to great social change…

　　Q：According to the author, the introduction of the

　　composer is a revolution mainly because .

　　(A) the computer has revolutionized the working of

　　the human mind.

　　(B) The computer can do the tasks that could only

　　be done by people before.

　　(C) It has helped to switch to an information

　　technology.

　　(D) It has a great potential impact on society.

　　(分析：選D項。屬邏輯推理型題。原段首句就交待了沒有什么技術(shù)發(fā)展比計算機革命對我們生活產(chǎn)生的影響要大。然后指出工業(yè)革命之所以是一切革命在于它導(dǎo)致了巨大的社會變化。由此可以推斷，計算機的誕生之所以是一場革命主要是D項：it

　　has a great potential impact on society.)

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