【正文】 lly or read back when needed． 表示一個字符的1或0的組合都能在需要時被磁寫或讀取。 job done，we went home． 干完活，我們回家了。 cup is broken． 杯子破了。 is no use asking her advice． 征求她的建議沒有用處。 job this month is to teach you English grammar． 這個月我的任務(wù)是教你們英語語法。第六章虛擬語氣 I were you，I would reconsider their proposal． 如果我是你，我會重新考慮他們的建議。 would be a crazy and confusing scene if you actually could see them in the cup． 假如你真想看到它們在杯中的情況，你會發(fā)現(xiàn)那是一種非常奇妙而又雜亂無章的景象。 must have had an accident，or he would have been here． 他肯定出事了，要不他早就到這兒了。 would rather that his wife worked in the same department as he does。 bank insists that he pay back his overdraft at once． 銀行堅持讓他立即償還透支款。 differences are not so difficult to adapt oneself to as religious，ethical and irrational ones． 比起宗教的、倫理的和不合乎常理的差異來說，物質(zhì)的差異適應(yīng)起來不那么困難。 greater the launching speed，the greater the penetration into space before the return to earth． 發(fā)射速度越快，其返回地球前穿越空間的力量就越大。 the oldest forms of life were all sea life，many scientists believe life began in the sea． 由于生命最初的形式都是海洋生物，所以許多科學(xué)家們認(rèn)為生命起源于大海。 thousand dollars is not enough for the project． 一千美元對這個項目來說是不夠的。 minister and not his secretary is responsible for the present situation． 是那位部長而不是他的秘書應(yīng)對目前的局面負(fù)有責(zé)任。 over half of the total output by weight of the world petrochemical industry is in the form of plastics and resins and more than threequarters accounted for by this broad group together with synthetic fibres and synthetic rubbers． 世界石化工業(yè)的總產(chǎn)量，按重量計，其一半以上是塑料和樹脂，加上合成橡膠共占3／4以上。 United Nations was founded in 1945． 聯(lián)合國創(chuàng)建于1945年。 of the most difficult problems to deal with when marketing in foreign countries is culture． 在外國進行銷售活動時，文化差異是最難處理的問題之一。 only did he plain about the food，he also refused to pay for it． 他不僅抱怨食物，也拒絕付錢。 is he concerned with putting men in the vehicle． 他也不關(guān)心這些運載火箭是否載人。 is one of those persons who always think they are right． 杰克是那些總認(rèn)為自己對的人之一。 number of people at the meeting was two hundred． 出席會議的人數(shù)為二百。 of what we know about the world es to us through our ability to“see”with our eyes，our telescopes，and our microscopes． 我們對世界的認(rèn)識大部分是通過我們用眼睛、望遠(yuǎn)鏡或顯微鏡“觀察”的能力獲得的。 as well as taxes influences votes． 失業(yè)及稅收影響選舉投票的結(jié)果。 enemy is acid deposition，monly known as acid rain． 這個敵人就是酸的沉積物，通常稱為酸雨。 is the best season of the year． 秋天是一年中最好的季節(jié)。 harder you study，the more you will learn．你越努力學(xué)得就會越多。39。 had gone to France determined to live there exactly as if he was in England． 他去了法國，卻硬要在那里過他在英國過慣了的生活。 wish that people were better educated about the problems that pollute causes． 我們希望人們多接受一些關(guān)于污染原因方面問題的教育。否則我就參加游行了。 they were to／should act like that again，we should criticize them severely． 如果他們再這樣做的話，我們就會嚴(yán)厲地批評他們。 gases and liquids can be converted into solids by removing their heat． 大部分氣體和液體通過去除其熱量都可以轉(zhuǎn)變?yōu)楣腆w。 抽煙過多對你不好。 the working parts reliable is as difficult as making the structure strong enough． 使飛行部件可靠和使構(gòu)件堅固同樣困難。 found the story amusing． 他們發(fā)現(xiàn)這個故事很有趣。 eyes filled with tears，she couldn’t see anything． 眼睛里充滿淚水，她看不見任何東西。 hears the language in all possible situations，always acpanied by the right kind of gestures and expressions． 他們在任何情況下都能聽到母語，并總是伴著正確的手勢和表情。而現(xiàn)在我又振奮起來了。 been told the result，she felt unhappy all the day.得知結(jié)果后，他一整天都不高興。 is one of the experiments being carried on in our lab． 這是我們實驗室正在進行的試驗之一。 all went home，he remaining behind． 我們都回家了，他留在后面。 is not surprising，considering that our bodies are two—thirds water． 考慮到人體的三分之二是水，這也就不足為奇了。 careful when crossing the street． 穿過街道時要當(dāng)心。 see this page because light reflecting form the sun or an electric light travels from the paper to your eyes． 我們看到這頁紙，是因為從太陽或電燈反射的光從紙進入眼睛。 elements seem to be working well under high voltage． 這些元件似乎正在高壓下正常工作。 you see him go out? 你看見他出去了嗎? heard her sing in the next room． 我聽見她在隔壁唱歌。 was a precious item，too precious to be wasted． 它是一種寶貴的東西，太寶貴了而不能浪費。 had the power to do good or evil． 它可以行善或作惡。39。ve arranged to meet him at ten o39。 does not take much in the way of chemical change to turn that(the fat)into petroleum． 生物脂肪轉(zhuǎn)化成石油并不需要很多化學(xué)反應(yīng)。 was his job to guide ships up the river． 他的工作是引導(dǎo)船只沿河而上。（第三章 動詞不定式） remember to switch off the electricity is important． 記著關(guān)電很重要。 the petroleum was obtained，it could be moved overland through pipes． 石油一旦開采出來，就可以用管道從陸上運輸。 an electric fire the electrical energy is converted into heat． 在電熱爐中，電能轉(zhuǎn)化為熱能。(一般過去時) engineering bees more and more precise，better accuracies than this will be needed． 隨著工程需求越來越精確，我們需要比這更高的精確度。s resources more and more rapidly over the years． 數(shù)年來，人類正越來越快地耗費著地球的資源。 said that he had sent her an ． 他說他曾給她發(fā)過電子郵件。 shall be having a business talk with Mr．Brown in a minute． 我們一會兒要和布朗先生進行業(yè)務(wù)會談。 plane is leaving for Beijing． 這架飛機要飛往北京。 asked her where she would go． 我問她要到哪里去。 you allowsomewater tofall on the smooth surface of a table，the water will normally continue to spread until its direction is changed by a solid object．若讓水落在光滑的桌面上，水通常會繼續(xù)向外擴展直到遇到固體才改變方向。 learned to make clothes from some parts of plants and from wool． 人學(xué)著用植物的某些部分和羊毛制做衣服。 1678 the Dutch scientist Christian Huygens was the first to propose that light travels in waves．1678年，荷蘭科學(xué)家克里斯琴 present，almost all our energy es from fossil fuels．現(xiàn)在，幾乎我們所有的能源都來自礦物燃料。 does beautiful work with her hands． 朱莉的手工活做得很好。 before fossil fuels are exhausted，demand will greatly exceed supply． 在礦物燃料耗盡之前，需求量將大大超過供應(yīng)量。s，radio telescopes searched space for signs of intelligent life beyond Earth．二十世紀(jì)六、七十年代，射電望遠(yuǎn)鏡搜索太空尋找地球外存在智慧生命的跡象。 are going to have to 1earn to share the resources we have．我們必須學(xué)會如何分享現(xiàn)在擁有的資源。36．They were to visit the 1ob that afternoon． 他們計劃那天下午參觀實驗室。 was making a call from 10 to ll last night． 他昨晚10點到11點在打電話。 the last thirty years man has discovered and developed a new source of energy called nuclear energy． 在最近的三十年中，人類發(fā)現(xiàn)并開發(fā)了一種稱為核能的新能源。 birds will have moved to the south before winter sets in． 冬天到來之前這些鳥就已遷移到南方了。 telephone had been ringing for three minutes before somebody answered it． 電話響了三分