【正文】
e which was 300 miles away, for there were no more mountains in sight. because,通常表示說(shuō)話人認(rèn)為這種理由或原因是聽(tīng)話人所不知道的。例: He didn39。t attend the meeting because he had too much work to do。他沒(méi)有參加會(huì)是因?yàn)樗刑喙ぷ饕隽?。for1)表因果關(guān)系時(shí),可與because互換,但只能放在主句后,不能放在句首。例: He could not have seen me, for I was not there.他不可能看見(jiàn)我,因?yàn)槲覜](méi)在那。2)還可以表示補(bǔ)充的解釋或判斷,不可用because代替。(顯而易見(jiàn)的理由)例: It rained last night, for the ground is wet.昨天晚下雨了,因?yàn)榈厥菨竦?。since表原因,是指人們一致的事實(shí),“既然”eg: Since he can39。 t answer the question, you39。d better ask someone else.既然他不能回答這問(wèn)題,你就最好問(wèn)別人吧。as比since語(yǔ)氣更弱,譯作“既然, 由于...在含有since,as的句子里,全句重點(diǎn)放在從句的內(nèi)容上,因?yàn)槠淅碛苫蛟蛟谡f(shuō)話人看來(lái)己經(jīng)很明顯,或?yàn)槁?tīng)話人所熟悉。in sight 視線之內(nèi)out of sight 視線之外The aircraft was able to fly over the endless white plains without difficulty.without difficulty 毫無(wú)困難的with no difficulty 毫無(wú)困難的with some difficulty 有一定的困難with much difficulty 有很多困難with great difficulty 有極大的困難with little difficulty 幾乎沒(méi)有困難was able to 成功做成...Special difficulties用帶有at的詞組來(lái)替換句中括號(hào)部分,如有必要可作些改動(dòng)。l. We found our way home (in the end).We found out way home at last.2. He stayed(in the house) all day yesterday.He stayed at home all day yesterday.3. You must write to him (immediately).You must write to him at once. cannot see you (now) as he is busy.He cannot see you at the moment as he is busy.5. He annoys me (sometimes).He annoys me at times.6. When I saw that the house was on fire I (didn39。t know what to do).When I saw that the house was on fire I was at a loss.7. (When it began) I thought it would be a good film but I was wrong.At first I thought it would be a good film but I was wrong.四、練習(xí)Exercisesl. Did the mountains _____ far below?A. lie B. laid C. lay D. lain山脈是遠(yuǎn)遠(yuǎn)的下方嗎?分析:A.躺,出于某種狀態(tài),位于; B.置,放,是lie的過(guò)去式C.是lay的過(guò)去式和過(guò)去分詞 D.是lie的過(guò)去分詞答案是A2. It could only get over the mountains if it rose to l0,000 feet. This means it ____ over the mountains.A. would succeed in getting B. gotC. was able to get D. had got只有飛機(jī)升之10,000英尺的高度,他才有可能飛越這個(gè)山脈。分析:表示對(duì)想象的條件所做出的推測(cè)。B.是過(guò)去式,表示過(guò)去發(fā)生的情況。C.表示過(guò)去成功的完成。D.表示過(guò)去早己完成的動(dòng)作。答案是A.3. The plane was then able to rise. This means it____.A. could rise B. might riseC. might succeed in rising D. rose于是飛機(jī)上升了分析:A,B,C都表示對(duì)沒(méi)發(fā)生的事情的推測(cè)答案是D4. I should like to rent a house, modern, fortable and ____ in a quiet neighborhood.A. in all B. above all C. after all D. at all分析:A??偣?; C.畢竟: D.根本用于否定或疑問(wèn)句。答案是B (尤其是