
One f his latest prjects has been t make plants glw(發(fā)光)in experiments using sme cmmn vegetables. Stran’s team fund that they culd create a faint light fr three-and-a-half hurs. The light, abut ne-thusandth f the amunt needed t read by, is just a start. The technlgy, Stran said, culd ne day be used t light the rms r even t turn trees int self-pwered street lamps.
In the future, the team hpes t develp a versin f the technlgy that can be sprayed nt plant leaves in a ne-ff treatment that wuld last the plant’s lifetime. The engineers are als trying t develp an n and ff “switch” where the glw wuld fade when expsed t daylight.
Lighting accunts fr abut 7% f the ttal electricity cnsumed in the US. Since lighting is ften far remved frm the pwer surce(電源)—such as the distance frm a pwer plant t street lamps n a remte highway—a lt f energy is lst during transmissin(傳輸). Glwing plants culd reduce this distance and therefre help save energy.
1. What is the first paragraph mainly abut?
A. A new study f different plants.
B. A big fall in crime rates.
C. Emplyees frm varius wrkplaces.
D. Benefits frm green plants.
2. What is the functin f the sensrs printed n plant leaves by MIT engineers?
A. T detect plants’ lack f water.
B. T change cmpsitins f plants.
C. T make the life f plants lnger.
D. T test chemicals in plants.
3. What can we expect f the glwing plants in the future?
A. They will speed up energy prductin.
B. They may transmit electricity t the hme.
C. They might help reduce energy cnsumptin.
D. They culd take the place f pwer plants.
4. Which f the fllwing can be the best title fr the text?
A. Can we grw mre glwing plants?
B. Hw d we live with glwing plants?
C. Culd glwing plants replace lamps?
D. Hw are glwing plants made pllutin-free?
【語篇導(dǎo)讀】科學(xué)家們致力于研究人與植物之間的關(guān)系,并使用科技手段來改造植物。本文主要介紹了針對(duì)“發(fā)光植物”的研究,包括其現(xiàn)有成果、對(duì)該項(xiàng)技術(shù)的預(yù)期和暢想及其可能產(chǎn)生的積極影響。
1. D主旨大意題。根據(jù)第一段中的psitive effects及所舉的兩個(gè)例子(綠化多的區(qū)域犯罪率低以及綠植多的辦公區(qū)域員工的工作效率更高)可知,本段主要介紹
的是綠色植物給人們帶來的益處。故選D項(xiàng)。
2. A細(xì)節(jié)理解題。根據(jù)題干中的關(guān)鍵信息sensrs printed n plant leaves可定位至文章第二段。根據(jù)第二段第二句中的These include plants that have sensrs printed nt their leaves t shw when they’re shrt f water可知,這些傳感器是用來檢測植物是否缺水的。故選A項(xiàng)。
【微技能】細(xì)節(jié)理解題的命題特征
細(xì)節(jié)理解題一般包括直接理解題、語義轉(zhuǎn)化題、數(shù)字計(jì)算題、排列順序題、圖表圖畫題等。抓住文段中的事實(shí)和細(xì)節(jié)是做好該類題的關(guān)鍵,也是做好其他類型的題的基礎(chǔ)。
直接理解題在原文中可直接找到答案,常用wh,what,when,where,why和hw等提問。語義轉(zhuǎn)化題需要將題目信息與原文相關(guān)信息進(jìn)行語義上的轉(zhuǎn)換,因兩者存在表達(dá)上的差異,有時(shí)需要進(jìn)行加工或整理后方能得出結(jié)論。近年來細(xì)節(jié)理解題已由簡單的對(duì)號(hào)入座直接答題轉(zhuǎn)向通過語句的同義或反義轉(zhuǎn)換來考查學(xué)生對(duì)英語語言的理解能力,因此難度比往年有所增加。
3. C細(xì)節(jié)理解題。根據(jù)最后一段最后一句Glwing plants culd reduce this distance and therefre help save energy.可知,“發(fā)光植物”可以減少由于遠(yuǎn)距離輸送而產(chǎn)生的電力資源的浪費(fèi),從而節(jié)約能源。故選C項(xiàng)。
4. C主旨大意題。通讀全文可知,本文第一、二段為導(dǎo)入部分,引出科學(xué)家正在進(jìn)行與植物相關(guān)的各種實(shí)驗(yàn)這一話題,從第三段開始重點(diǎn)介紹“發(fā)光植物”的實(shí)驗(yàn),結(jié)合文中的The technlgy…culd ne day be used t light the rms r even t turn trees int self-pwered street lamps.可知,未來“發(fā)光植物”有可能取代電燈,用來給房間和街道照明,后文圍繞其繼續(xù)展開介紹,說明發(fā)光植物可能給人們帶來的益處,故C項(xiàng)(發(fā)光的植物有可能取代燈嗎?)最適合作本文的標(biāo)題。
【長難句分析】In the future, the team hpes t develp a versin f the technlgy that can be sprayed nt plant leaves in a ne-ff treatment that wuld last the plant’s lifetime.
句式分析:本句中主句的主語為 the team,謂語部分為hpes, t develp a versin f the technlgy為賓語;第一個(gè)that引導(dǎo)的是定語從句,修飾先行詞a versin f the technlgy;第二個(gè)that也是引導(dǎo)定語從句,修飾先行詞a versin f the technlgy that a ne-ff treatment。
句意:未來,該團(tuán)隊(duì)希望(在該技術(shù)的基礎(chǔ)上)開發(fā)出種新型產(chǎn)品,將該產(chǎn)品一次性噴灑在植物的葉子上,即可延長植物的壽命。
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