Choose the world or phrase which is chosest in meaning to the underlined part in each sentence.1.The far might even see the unique properties of nanotubes harnessedto build a space elevator.A.fastenedB.controllededD.needed2. In the short term, the greatest advances through nanotechnology w ill come in the form of new catalysts for industry and smaller compon ents for computers.A. incentivesB. methodsC. promotionsD. improvements3. In environmental science nanotechonology is providing ways to det ect and filter bacteria and toxins out of water supplies.A. absorbB. removeC. discoverD. release4. Nanoscience has already benefited the environment with the develo pment of the catalytic convener which detoxifies engine fumes the wor ld over.A. extractsB. transforms.C. digestsD. poison5. In military technology governments are splashing cash on developi ng bullet-proof battle suits that can morph to provide camouflage.A. protectionB. shieldC. shelterD. disguise6. Nanoparticles may soon be used in other types of munitions.A. bombsB. gunsC. weaponsD. supplies7. The few experimental studies reveal that high concentrations of n anotubes could damage the lungs of rats and mice.A. densityB. intensificationC. focusD. convergence8. Critics have called for a moratorium on research, arguing that we know little about the toxicological effects of nanoparticles.A. debateB. meetingC. stopD. continuation9. Biochemists are hoping to deploy viruses as "nanocameras" to get a clear picture of what is going on inside cells.A. wormsB. illnessesC. toxinsD. infectiveI0. Nanosensors are developed to detect chemical and biological peril s.A. threatsB. elementsC. substancesD. wastesUse the terms in the text to replace the underlined parts of the following sentences.1. Most atoms are 0.1 to 0.2 nm wide, while human hairs are typically 80,000 nm wide.across2. The robe, too, is painted in Prussian blue, a colour not introduced until the 18th century.pigment3. The results, in a health and beauty magazine, show over-45s fear d ementia second only to cancer.alzheimer’s disease4. Budapest is to ban all cars with two-stoke engines from the city c entre unless are fitted with a device that reduces the amount of pois onous gas that is released from the exhaust.a catalytic converter5. Foods sold under this label are guaranteed to be free from substan ces that are added to improve taste and appearance.additives6. The newly-developed vehicle designed for Olympics is powered by a piece of equipment that combines oxygen and hydrogen, to produce elec tricity in order to supply power.a fuel cell7. She was born with severe back problems and spent much of her child hood wearing a flat piece of wood used for keeping her back in positi on.a splint8. A glass scree~ which is resistant to bullets sealed the public ga llery and everyone entering the building was subjected to a body sear ch.bullet-proof9. This I believe stems largely from misleading information given to the industry from various sources and the practice of deliberately m aking people worried or nervous.scaremongering10. Some viruses can divide and produce exact copies of themselves Un der given circumstances.self-replicateTranslate the following sentences into English.1．如果1纳米大约有一个针头那么宽，那么1米的距离将会有从华盛顿到亚特兰大那么远．即1，000公里If 1 nanometre was roughly the width of a pinhead,then 1 metre on his scale would stretch the entire distance from Washington,DC to Atlanta—around 1,000 kilometres.2．要想使纳米技术免遭转基因生物体所受到的同样的攻击，最好的办法就是对纳米技术的发展和未来进行公开的辩论。

An open public debate on the development and future of nanotechnology may be the best way to stop it becoming embroiled in the same kind of future that has surrounded GM organisms.3．短期看来，纳米技术带来的最大进步体现在新型的医学设备和医疗过程。

In the short term,the greatest advances through nanotechnology will come in the form of novel medical devices and processes.4．尽管纳米技术在商业领域尚未得到广泛应用，但它已经招致环保组织的谴责，他们担心该技术会对人类健康和环境带来无法预和的威胁。

Despite the fact that it still has relatively few commercial applications,nanotechnology has generated criticism from environmental groups who fear as-yet-unknown risks to human health and the environment.5．在军事技术方面．政府正投入大量基金开发新型轻便设备和武器。

In military technology,governments are splashing cash on developing new,lightweight equipment and weapons.。