劍橋雅思14test3passage2閱讀答案及解析

劍橋雅思14test3passage2閱讀標(biāo)題為Saving bugs to find new drugs，主要講的是通過昆蟲研究新藥物，篇幅比較長，下面小編我分享下該篇閱讀的答案及解析，一起來往下看吧。

劍橋雅思14test3passage2閱讀答案及解析

第14題答案是：C

對應(yīng)原文：C段：Laboratory-based drug discovery has achieved varying levels of success,something which has now prompted the development of new approaches focusing once again on natural products

答案解析：C段開頭提到，“以實驗室為基礎(chǔ)的藥品開發(fā)取得了不同程度的成功，促使新的開發(fā)方法再一次聚焦到自然產(chǎn)品中”。雖然原文中多次提到自然界的醫(yī)藥化合物，但題干中有renewed（再次發(fā)生的，再次興起的）這一限定。只有C段開頭能找到對應(yīng)點（once again），由此確定答案。

第15題答案是：H

對應(yīng)原文：H段：Fortunately,it is now possible to snip out the stretches of the insect’s DNA that carry the codes for the interesting compounds and insert them into cell lines that allow larger quantities to be produced.

答案解析：H段中間提到，“幸運(yùn)的是，我們?nèi)缃窨梢酝ㄟ^提取昆蟲搭載化合物的基因片段，然后將它們植入到細(xì)胞之中使大量生產(chǎn)成為可能”。其中提取DNA的技術(shù)即對應(yīng)題干中的technological advances，由此確定H為答案。

第16題答案是：A

對應(yīng)原文：A段：such as the capuchin monkeys who rub themselves with toxin-oozing millipedes to deter mosquitoes,or the chimpanzees who use noxious forest plants to rid themselves of intestinal parasites

答案解析：這道題比較簡單，哪怕大家不認(rèn)識capuchin和chimpanzees，也可以通過monkeys與animals的對應(yīng)確定A為正確答案。

第17題答案是：F

對應(yīng)原文：F段：Firstly,there are so many insects…Secondly,insects are generally very small…Thirdly,Many insect species are infrequently encountered and very difficult to rear in captivity

答案解析：F段給出利用昆蟲進(jìn)行藥物研究的三個困難。其一是昆蟲數(shù)量太多，其二是昆蟲太小，其三是許多昆蟲很難遇到，并且很難培育。對應(yīng)題干中的challenging to use insects in drug research，由此確定答案。

第18題答案是：I

對應(yīng)原文：I段：…exploring the useful chemistry of the most diverse animals on the planet,I believe we can make people think differently about the value of nature.

答案解析：這道題需要結(jié)合上下文。I段最后提到，“如果我們探索地球上最為多樣的生物體內(nèi)有用的化學(xué)物質(zhì)，我認(rèn)為我們可以改變?nèi)藗冴P(guān)于自然價值的看法”。其中最為多樣的生物指的就是昆蟲，而改變對自然價值的看法則是對應(yīng)上文中的conservation，也就是benefit wildlife，由此確定答案為I。

第19題答案是：B

對應(yīng)原文：B段：The main cause of this shift is that although there are plenty of promising chemical compounds in nature,finding them is far from easy

答案解析：B段描述了從自然界到實驗室轉(zhuǎn)變的原因，“雖然自然界中有許多有用的化學(xué)物質(zhì)，但找到他們卻不容易”。其中shift及對應(yīng)nature-based medicines fell out of favour，而cause則對應(yīng)reason，由此鎖定答案。

第20題答案是：E

對應(yīng)原文：E段：alloferon,an compound produced by blow fly larvae,is used as an antiviral and antitumor agent in South Korea and Russia.

答案解析：E段提到alloferon的例子，指出這種綠頭蒼蠅幼蟲產(chǎn)生的化合物在韓國和俄羅斯被當(dāng)作抗病毒藥劑和抗癌藥劑使用。由此確定答案。

第21題答案是：B

對應(yīng)原文：D段：Consequently…the evolution of an enormous range of very interesting compounds for defensive and offensive purposes.

答案解析：原文中提到了許多昆蟲用于藥品研究的原因，解題關(guān)鍵在于找到每個選項的對應(yīng)。A選項錯在individual，原文中說的是昆蟲整體數(shù)量很大，而不是每一種都很多。B選項the variety of對應(yīng)an enormous range of，substance對應(yīng)compounds，protect對應(yīng)defensive，由此確定它為正確答案。

第22題答案是：C

對應(yīng)原文：H段：Fortunately,it is now possible to snip out the stretches of the insect’s DNA that carry the codes for the interesting compounds and insert them into cell lines that allow larger quantities to be produced.

答案解析：這一點在15題已經(jīng)考察過，應(yīng)該不難確定C為正確答案。而D選項和E選項則在原文中完全找不到對應(yīng)，屬于無中生有。

第23題答案是：ecology

對應(yīng)原文：G段：My colleagues and I at Aberystwyth University in the UK have developed an approach in which we use our knowledge of ecology as a guide to target our efforts

答案解析：根據(jù)大學(xué)名稱定位到G段的第1句。題干問的是“利用他們在什么方面的專業(yè)技能”，其中expertise對應(yīng)原文中的knowledge，由修飾關(guān)系確定ecology為答案。

第24題答案是：prey

對應(yīng)原文：G段：The creatures that particularly interest us are the many insects that secrete powerful poison for subduing prey and keeping it fresh for future consumption.

答案解析：順著上一題往下，根據(jù)interest定位到這一句，preserve與keep fresh同義替換，it代指上文的prey，由此鎖定答案。

第25題答案是：habitats

對應(yīng)原文：G段：There are even more insects that are masters of exploiting filthy habitats,such as faeces and carcasses,where they are regularly challenged by thousands of microorganisms.

答案解析：根據(jù)microorganisms與bacteria and fungi的對應(yīng)定位到這句話，從題干in their可以推測空上應(yīng)該填某個地點，原文中只有habitats填上去語義合適，由此鎖定答案。

第26題答案是：antibiotics

對應(yīng)原文：G段：suggesting that there is certainly potential to find many compounds that can serve as or inspire new antibiotics.

答案解析：從題干such as可以看出，空上應(yīng)該填某種具體的藥物，由此鎖定antibiotics。

劍橋雅思14test3passage2閱讀答案及解析的內(nèi)容分享就到這里結(jié)束了，看完了答案以及解析，你對了幾個題呢？答案解析都弄明白了嗎？建議都要弄清楚哦。

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