2、Can Mobile phones Cause Disease?

　　“Mobile phone killed my man.”screamed one headline last year. Also came claims that an unpublished study had found that mobile phones cause memory loss. And a British newspaper devoted its front page to a picture supposedly showing how mobile phones heat the brain.

　　For anyone who uses a mobile phone,these are worrying times. But speak to the scien​tists whose work is the focus of these scares and you will hear a different story. According to them,there is no evidence that mobile phones cause cancer or any other illness in people.

　　What we do have, however, are some results suggesting that mobile phones’emissions have a variety of strange effects on living tissue that can’t be explained by the general radia​tion biology. And it’s only when the questions raised by these experiments are answered that we’ll be able to say for sure what mobile phones might be doing to the head.

　　One of the odd effects comes from the now famous “memory loss” study. Alan Preece and his colleagues at the University of Bristol placed a device that imitated the microwave emissions of mobile phones to the left ear of volunteers. The volunteers were just as good at recalling words and pictures they had been shown on a computer screen whether or not the device was switched on. Preece says he still can,t comment on the effects of using a mobile phone for years on end. But he rules out the suggestion that mobile phones have an immediate effect on our cognitive abilities. "I"m pretty sure there is no effect on short-term memory, "he says.

　　Another expert, Tattersail, remarked that his latest findings, have removed fears about memory loss. One result, for instance, suggests that nerve cell synapses exposed to micro​waves become more―rather than less—receptive to undergoing changes linked to memory formation.

　　Hopefully,microwaves might turn out to be good for you. It sounds crazy, but a couple of years ago a team led by William Adey at the Veterans Medical Center in California found that mice exposed to microwaves for two hours a day were less likely to develop brain tumours when given a cancer-causing chemical.

　　段落對應(yīng)小標(biāo)題。

　　1.Paragraph1____.

　　2.Paragraph2____.

　　3.Paragraph3____.

　　4.Paragraph4____.

　　5.Paragraph5____.

　　A.Bad Results

　　B.Widespread Opposition

　　C.Groundless Anxiety

　　D.No Effect on Short-term Memory

　　E.Mysterious Effects

　　F.Further Reassurance

　　參考答案：

　　1.解析為第一段中的關(guān)鍵詞killed說明移動電話帶來的后果，后面列舉了 memory loss(記憶丟失)，heat the brain(熱腦)兩種危害。可以看出本段主要講了移動手機帶來的不良后果，用A項可以很好地歸納。

　　答案為A

　　2.解析為第二段講到使用手機會產(chǎn)生焦慮，因為科學(xué)家給出了不同的論斷：沒有證據(jù)證明手機會導(dǎo)致癌癥或其他疾病。因此這些焦慮是沒有依據(jù)的。C項中g(shù)roundless意為沒有依據(jù)的、無根據(jù)的，符合本段主旨。

　　答案為C

　　3 .解析為第三段講到手機的輻射對活體組織會產(chǎn)生影響，但是只有實驗的結(jié)果出來后才可以肯定是否對大腦有影響。所以說這些影響都是在“未定”的情況下，用mysterious來概括比較貼切。

　　答案為E

　　4.解析為第四段講Alan Preece和他的同事所做的實驗表明手機有直接影響我們的認(rèn)知能力，但是可以肯定是沒有影響到短期記憶。正好與D項符合。

　　答案為D

　　5.解析為第五段講到另一位專家的解釋，他再次確定了手機不會對短期記憶產(chǎn)生影響，是因為神經(jīng)細(xì)胞的突觸在微波的刺激下會對信息記憶變得更加靈敏。所以這是屬于對第四段內(nèi)容的再次肯定(reassurance)。

　　答案為F

　　給下列五道題選擇相應(yīng)正確的選項。

　　6.There is no ________to indicate that mobile phones cause any illness.

　　7.It________that mobile phones might be good for health.

　　8.The safety problem with mobile phones has_______.

　　9.Tattersail said for sure that the______over memory loss caused by mobile phones was ungrounded.

　　10.Until now,there are still________about the mobile phone's effect.

　　A. different messages

　　B. is hoped

　　C. public attention

　　D. solid evidence

　　E. attracted public attention

　　F. public anxiety

　　參考答案：

　　6.解析為第二段最后講到there is no evidence…cause cancer or any other illness in people。所以D項符合本空。

　　答案為D

　　7.解析為第二段和三段講了手機對人體和大腦的傷害未得到證實，第四段和五段確定了手機 對短期記憶喪失沒有影響，最后一段還用老鼠實驗說明微波之下即使使老鼠受到可引發(fā)癌癥的化學(xué)物質(zhì)的影響，老鼠也不容易得腦瘤。因此本空用B項最符合。

　　答案為B

　　8.解析為文章列舉了三位專家(Alan Preece,Tattersail和 William Adey)的言論及其著  名實驗，說明手機對人體健康是否有影響已經(jīng)受到了公眾的注意。C項中缺少謂語動詞。

　　答案為E

　　9.解析為本題涉及到第五段的內(nèi)容，第五段中Tattersail暗示了手機輻射并沒有對短期記憶產(chǎn)生影響，相反還會有好的作用，因此對這個問題的恐慌是沒有依據(jù)的。

　　答案為F

　　10.解析為文章通篇介紹了手機輻射的影響，雖然用不同專家的言論證明了手機對人體無害。但是卻沒有權(quán)  威的公布這些信息。因此相信大眾對手機是否有害還是半信半疑，所以A 項符合本空。

　　答案為A