【題目】Every day born a decade from now will have its genetic code(基因編碼)mapped at birth, the head of the world’s leading genome sequencing(基因圖譜)company has predicted.

A complete DNA read – out for every newborn will be technically possible and affordable in less than five years, promising a revolution in healthcare, says Jay Flatley, the chief executive of Illumina. Only social and legal problems are likely to delay the age of “genome sequences,” or genetic profiles. By 2019 it will have become routine to map infants’ genes when they are born, Dr Flatly told The Times.

This will open a new approach to medicine, by which conditions such as high blood pressure and heart disease can be predicted and prevented and drugs used more safely and effectively.

A baby’s genome can be discovered at birth by a blood test. By examining a person’s genome, it is possible to identify raised risks of developing diseases such as cancers. Those at high risk can then be screened more regularly, or given drugs or dietary advice to lower their chances of becoming ill.

Personal genomes could also be used to ensure that patients get the medicine that is most likely to work for them and least likely to have side – effects.

The development, however, will raise legal concerns about privacy and access to individuals’ genetic records.

“Bad things can be done with the genome. It could predict something about someone – and you could possibly hand the information to their employer or their insurance company.” said Dr Flatley.

“People have to recognize that this horse is out of the barn, and that your genome probably can’t be protected, because everywhere you go you leave your genome behind. Complete genetic privacy, however, is unlikely to be possible”, he added.

As the benefits become clearer, however, he believes that most people will want their genomes read and interpreted. The risk is nothing compared with the gain.

【1】In the first two paragraphs, the author mainly wants to tell us about__________.

A. the significant progress in medicine

B. the promise of a leading company

C. the information of babies’ genes

D. the research of medical scientists

【2】Which of the following is a problem caused by this approach?

A. The delaying in discovering DNA.

B. The risk of developing diseases at birth.

C. The side effects of medicine on patients.

D. The letting out of personal genetic information.

【3】What does the underlined sentence “… this horse is out of the barn” mean?

A. Genetic mapping technique has been widely used.

B. people can’t stop genetic mapping technique advancing.

C. People are eager to improve genetic mapping technique.

D. Genetic mapping technique is too horrible to control.

【4】What’s Dr Flatley’s attitude towards the technology?

A. Tolerant. B. Conservative. C. Positive. D. Doubtful.

【答案】

【1】A

【2】D

【3】B

【4】C

【解析】本文介紹了一項(xiàng)醫(yī)學(xué)上的重大進(jìn)步，即DNA技術(shù)在醫(yī)療上的應(yīng)用。

【1】A

目的意圖題。根據(jù)前兩段告訴我們?cè)诓坏轿迥甑臅r(shí)間里，每一個(gè)新生兒的完整的DNA解讀將在技術(shù)上是可行的和擔(dān)負(fù)得起的，這預(yù)示著醫(yī)療保健領(lǐng)域的一場(chǎng)革命�？芍@是在告訴我們一項(xiàng)醫(yī)學(xué)上的重大進(jìn)步。故選A.

【2】D

細(xì)節(jié)理解題：根據(jù)第六段The development, however, will raise legal concerns about privacy and access to individuals’ genetic records.可知，這種方法帶來的問題就是它可能會(huì)泄露個(gè)人的基因信息。故選D.

【3】B

猜測(cè)詞句題：根據(jù)倒數(shù)第二段劃線句所在段and that your genome probably can’t be protected, because everywhere you go you leave your genome behind. Complete genetic privacy, however, is unlikely to be possible”, he added.所說：因?yàn)闊o論你走到哪里，你都會(huì)留下你的基因組。因此完全的基因隱私是不可能的，這是你自己不能控制的�？芍聹y(cè)出本句的意思是：人不能阻止遺傳作圖技術(shù)的推進(jìn)。故選B.

【4】C

推理判斷題。根據(jù)最后一段所說：然而，隨著利益的明朗化，他相信大多數(shù)人都希望他們的基因組能夠被閱讀和解釋。這與收益相比風(fēng)險(xiǎn)又是什么�？梢酝茢喑鲎髡邔�(duì)此技術(shù)是積極的態(tài)度。故選C.

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