unit2cloningperiod2learningaboutlanguageusinglanguage同步精練人教版選修8-資料下載頁
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【導(dǎo)讀】1．不必為這封信操心，這不是急信。2．采收勞動(dòng)果實(shí)的喜悅不時(shí)流露在他們的臉上。3．你越努力，進(jìn)步就越快。4．即使太陽從西邊出，我對(duì)你的愛也不會(huì)變。5．這是因?yàn)橛性S多粗心大意之人。beboundto；ingoodcondition；passon...to...；invain；fromtimetotime；strike...intoone. 解析考查情景交際。意第一個(gè)人的提議。“為什么不呢”可表示同意他人的建議。句用一般過去式，strike的過去式為struck。解析考查“the＋比較級(jí)，the＋比較級(jí)”句型。書，它就讓他們越想哭。pay“付錢”；offer“提供”；charge“要價(jià)；控告；充電”；owe“欠(債)”。根據(jù)句意可知C項(xiàng)正確。onmarch游行；onstrike罷工。解析resign辭職；treat對(duì)待；retire退休。
【正文】 an health, as well as for the popular imagination. While European and Japanese researchers are making rapid progress in decoding(解碼 ) human DNA, the leading anization for geic research is in the United States, which began in 1990, is “unlocking the code” of the human body to learn how to defeat fatal(致命的 )diseases. Already, the Human Genome Project has bee widely known and praised for finding the genes(基因 ) connected with terrible diseases as yet(迄今 ), and making progress toward separating the genes that show a sign of breast cancer or AIDS. Once these genes are found and studied, researchers can develop new ways to attack infections(傳染 ), and geic diseases. Medical panies are very interested in mapping the human genome, as they expect to develop a lot of new drugs for these illnesses. 【語篇解讀】 繪制人類基因組圖，這將意味著人類消滅癌癥、艾滋病的危害，延長人類壽命將成為現(xiàn)實(shí)。 5． Why did the scientists work hard at mapping the human genome? A． Because the human genome can destroy many illnesses. B． Because the human genome39。s pletion can help them get rid of many diseases. C． Because they wanted to be better known than others. D． Because the human genome can provide a lot of chances of work. 解析 語義理解題。從文章最后一段第一句話 Once these genes are found and studied, researchers can develop new ways to attack infections(傳染 ), and geic diseases 可以看出科學(xué)家們完成人類基因組圖的目的。 答案 B 6． Which country studied the genes most rapidly in the world? A． Japan. B． Germany. C． The United States. D． China. 解析 細(xì)節(jié)理解題。因?yàn)椋?..the leading anization for geic research is in the United States，所以選 C。 答案 C 7． Which of the following is NOT true? A． If the genes can be found, scientists can study many new ways to cure illnesses. B． The scientists have made great progress in connecting the genes with the cancers. C． Many medical panies show great interest in drawing the human genome map. D． The United States began the Genes Study early in the 19th century. 解析 推理判斷題。美國是在 1990 年，即 20 世紀(jì)末開始繪制人類基因組圖的，所以選 D。 答案 D 8． The author suggests that the Human Genome Project can cause________. A． the policy makers to feel very worried and careful B． the scientists to work harder C． many people to find work easily D． a lot of panies to produce many new drugs 解析 推理判斷題。從文章內(nèi)容可知，人類基因組圖的完成將有助于科學(xué)家們攻克一系列難關(guān)。所以，他們在更努力地探究。 答案 B
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