Computers are already widely used in industry and in universities and the time may come when it _____ possible for ordinary people to use them as well.
There were over (A) 500 000 deaths (B) due to automobile accidents in the U.S.last year.A third of these could have been avoided (C) but the drivers hadn't fastened (D) their seat belts.
A Soviet newspaper carried out (A) an experiment the other day to see if (B) Moscow's telephone service was as bad as most people here think is (C) . It was (D) .
I had been stranded (A) on this island for quite sometime (B) when (C) one day I put myself upon thinking (D) whether it was possible to make myself a boat.
The two leaders met for (A) an hour and 40 minutes on Monday, and had (B) what an official spokesman described (C) a friendly conversation on a wide range (D) of subjects.
The fourth time when (A) he escaped,he had the misfortune to be caught (B) by a professional slavecatcher, who brought (C) the African back to (D) the plantation.
With time they discovered (A) techniques for producing materials that had properties superior to (B) the natural ones (C) ; these new materials include (D) pottery and various metals.
A scientist usually directs his attention towards problems which he notices have no satisfactory explanation,and his curiosity makes him look for _____ relationship even if the data available seem to be unconnected.
During an earthquake,the great part of damage and loss of life has been _____ collapse of buildings and the effect of rockslides,floods,fire,diseases,and other phenomena resulting from earthquakes,rather than from the quakes themselves.
In Japan most people still feel that a woman's place is in the home;and most women willingly accept their traditional role as wife, leaving the business of making a living _____ their husbands.
Whether to go to college is optional _____ that no student is required to do so as he is required by law in most states of America to go to high school.
Of all the senses that help a small baby to distinguish his mother the sound of her voice, his sense of smell,his sight,the distinctive way she handles him,sight is _____ .
The normal human daily cycle of activity is of some 78 hours' sleep alternating with some 16-17 hours' wakefulness.Broadly speaking,the sleep normally _____ with the hours of darkness.
Computers can provide information which allows businessmen to _____ their list of goods,by showing which items are being sold and how fast they are moving.
All students who want to use the library borrowing services and recreational athletic,and entertainment _____ must have a valid summer identification card.
这是一个并列句,两个句子由AnD连接。句架是:with…ContAininG…ChEmiCAl rEACtions oCCur, AnD oxyGEn is rElEAsED。句首的介词短语是全句的状语。句中CEll作“细胞”讲;Chorlphyll是“叶绿素”的意思。本句应译成:“由于日光对含叶绿素和其他成分的细胞所起的作用,就会产生化学变化,树木就会释放出氧气。”
这是一个并列复合句,两个句子由But连接。句架是:…wooD miGht sEEm oDD, But mAny…BrEADs AnD …GooDs…inCluDE…whiCh…。在第二句中,关系代词whiCh引导非限制性定语从句,修饰CEllulosE。句中CAloriE作“热量”讲;powDErED CEllulosE作“粉状纤维素”讲;BulkinG AGEnt此处作“膨化剂”讲。本句应译成:“吃木头似乎很奇怪,但是现在许多低热量的面包和其他烘烤的食品里都加进了粉状纤维素,它起着膨化剂的作用,能防止食物松散。”
这是一个并列复合句,两个句子由分号连接。句架是:…GrEEks…trEAtED pAin with A tEA mADE By…,A tEA…ContAins sAliCin…。在第二个句子中,moDErn sCiEntists now know是省略了关系代词的定语从句,修饰tEA; A prECursor oF…是sAliCin的同位语。句中sAliCin作“柳醇”讲;prECursor作“先兆”、“前身”讲,在本句中意为:“最初形成物”;ACEtysAliCyliC作“乙酰水杨酸”讲;ACiD作“酸”讲,本句应译成:“例如,古希腊人用柳树叶子和树皮熬成一种药水,用来治疗伤痛。现代科学家现在了解到这种药水里含有柳醇,它是乙酰水杨酸最初的形成物,也就是阿司匹林。”
这是一个简单句,句架是:rEsEArChErs isolAtED AnD synthEsizED…thE…GinkGoliDE,句中isolAtE作“分离”讲;synthEsizE作“合成”讲;GinkGoliDE作“银杏苦内酯”讲;AsthmA作“气喘”讲;toxiE shoCk作“中毒性休克”讲。本句应译成:“最近,研究人员从这种树里分解出化学物质银杏苦内酯,然后综合成药物,用来治疗气喘、中毒性休克以及其他疾病。”
这是一个简单复合句,句架是:whEn thEy(trEEs)GivE oFF A ChEmiCAl thAt….whEn引导时间状语从句,关系代词thAt引导定语从句,修饰ChEmiCAl。 wEBworm“网虫”;tEnt CAtErpillAr,“天幕毛虫”;GivE oFF,“施放”、“散发”。本句应译成:“当柳树遭到网虫和天幕毛虫侵袭时,就会施放一种化学物质,向附近的柳树发出警报。”
参考范文 What books are you reading? Books on history, philosophy, economic theories, political situation of the world today, or whatever else? College students now read all kinds of books. The number of the books they read is large and the subject diversified. In general, this phenomenon is the result of the following factors. First, the publishing industry is prospering day by day. Numerous books are published every year, most of the topics appealing to both the more and the less cultured. Therefore, college sutdents have a large variety of books to choose from. Secondly, the reform of the education system has brought up a generation of young people who are inerested in all kinds of happenings around them. Students nowadays are not unanimous in their thoughts; rather, they tend to fly away from banal ideas and establish their own method of thinking. Thirdly, also most importantly, college students have realized that if they do not understand what is going on, they will soon be forgotten by the world. Today, the world develops at an amazingly high speed. Anyone who does not stalk along will lag behind. Reading is an effective way of understanding the world. In a word, what college students read is decided by the overall trend of the world today. No doubt, college students should be encouraged to read as many books as possible. In fact, their action is a reflection of their sense of crisis as concerns their position in the future world. But they might as well be advised to be a wise reader. A wise reader reads many books, but at the same time, focuses on a certain subject, either linked to ones's major or one's interest, so as to better understand it. What's more, a wise reader has the ability to distinguish the worthy from the unworthy,discarding the dross as well as selecting the essential.In other words, he stands higher than the author does, which will help entail a firm outlook on life and the world. In conclusion, when they read, college students are, indeed, to use their mind.