【正文】 【點(diǎn)評】本題考點(diǎn)涉及細(xì)節(jié)理解和推理判斷兩個(gè)題型的考查，是一篇科研類閱讀，考生需要準(zhǔn)確捕捉細(xì)節(jié)信息，并根據(jù)上下文進(jìn)行邏輯推理，從而選出正確答案。 （5）考查推理判斷。 （4）考查細(xì)節(jié)理解。 （3）考查細(xì)節(jié)理解。根據(jù)第二段中的Scientists used tobacco plants in the study because it is easy to change the plants39。s genes in order to make it use sunlight more quickly.可知,科學(xué)家發(fā)現(xiàn)一種通過駭入植物基因使其更快地利用陽光的方法,由此可知,植物的基因可以通過駭入來改變,故選B。 （1）考查細(xì)節(jié)理解。D.C.B.s attitude toward the study? A.D.effectiveB.uselessIt is made up of sunlight, water and carbon dioxide.（4）We can learn from Paragraph 4 that changing the plants39。It is regarded as a productive system for plants.C.Because they can absorb sunlight quickly.（3）What do we know about photosynthesis? A.Because they are larger than other plants.B.Because they are very easy to get.Hacking has been used in improving food production.D.A plant39。 Agriculture professor Tala Awanda said the study makes sense, but cautioned the yield（產(chǎn)量）might not be quite so high for conventional food crops. Still, she added in an , this study remains a breakthrough,（1）Which of the following is true according to Paragraph 1 ? A. The new study sped up the process by changing the plant39。s genes, the scientists were able to increase the amount of leaf growth on plants between 14 and 20 percent. Scientists hacked the plant39。 genes. Hacked plants are larger than normal plants.s genes in order to make it use sunlight more quickly. Someday, the results could increase the number of food produced around the world. Hacking isn39。 【點(diǎn)評】本題考點(diǎn)涉及細(xì)節(jié)理解，推理判斷，詞義猜測和主旨大意四個(gè)題型的考查，是一篇科技類閱讀，要求考生在捕捉細(xì)節(jié)信息的基礎(chǔ)上，進(jìn)一步根據(jù)上下文的邏輯關(guān)系，進(jìn)行分析，推理，概括和歸納，從而選出正確答案?？芍?，本文主題是“衛(wèi)星首次收集太空垃圾”。根據(jù)第二段中的”The test, which was carried out this week, is widely believed to be the first successful demonstration of space cleanup technology, experts told CNN. And it symbolizes an early step toward solving what has already been a critical issue: junk in space.“專家告訴CNN，本周進(jìn)行的這次測試被廣泛認(rèn)為是太空清潔技術(shù)的首次成功演示。故選B?？芍疤魬?zhàn)在于說服有關(guān)當(dāng)局贊助這些任務(wù)。 （3）考查詞義猜測?！笨芍?，RemoveDEBRlS衛(wèi)星是通過撒網(wǎng)把垃圾帶離軌道。根據(jù)第六段中的“...,said that an operational version of the RemoveDEBRlS technology would cast a net that remains fastened to the main satellite so the debris can be dragged out of orbit. It could target large pieces of junk, including dead satellites up to 10 meters long.“該公司表示，一種操作性版本的RemoveDEBRlS技術(shù)將會(huì)在主衛(wèi)星上撒網(wǎng)，這樣碎片就可以被拖出軌道。故選C。根據(jù)第一段中“...,imitating a technique that could one day collect spaceborne garbage.”模仿一種有一天可以收集太空垃圾的技術(shù)?！币环N名為“清除碎片”的實(shí)驗(yàn)清理設(shè)備成功地在一顆虛擬衛(wèi)星周圍撒網(wǎng)，模仿一種有朝一日可能收集太空垃圾的技術(shù)。Why the RemoveDEBRIS Satellite Is InventedD.The RemoveDEBRIS Project Is PerfectB.Provide.（4）What39。Oppose.Support.Acplish.By dragging satellites up to 10 meters long.D.By throwing a net to take the junk from orbit.B.D.Collecting wastes existing in space.B.Demonstrating space technology. There are still enormous barriers to clear before operational cleanup tasks are underway, he said, and the most discouraging is figuring out how to fund such projects.The RemoveDEBRIS satellite will conduct a few more experiments in the ing months, including testing navigation features that could help guide the satellite to a specific piece of debris.Jonathan McDowell, an astrophysicist at the HarvardSmithsonian Center for Astrophysics, said the success of this week39。 s ArianeGroup.The RemoveDEBRIS experiment is run by a pany and researchers led by the U. K.39。 Millions of pieces of junk are turning around in orbit the result of 50 years of space travel and few regulations to keep space clean. At orbital speeds, even a small bit of paint crashing with a satellite can cause critical damage. An experimental cleanup device called RemoveDEBRIS has successfully cast a net around a dummy (仿真的) satellite, imitating a technique that could one day collect spaceborne garbage. 【點(diǎn)評】本題考點(diǎn)涉及推理判斷，詞義猜測和主旨大意三個(gè)題型的考查，是環(huán)保類閱讀，考生需要根據(jù)上下文的邏輯關(guān)系，進(jìn)行分析，推理，概括和歸納，從而選出正確答案。雖然政府發(fā)誓解決污染問題，但周末的能見度低，數(shù)百架航班在周末改道、延誤和取消，學(xué)校和辦公室周一關(guān)閉，人們必須戴防污口罩，可知，新德里被嚴(yán)重的污染所籠罩。 （4）考查主旨大意。由此可判斷“emitted”是排放的意思。因?yàn)樘鞖庾兝?，從汽車和以煤為基礎(chǔ)的發(fā)電廠“emitted”的污染物形成了厚厚的霧霾。 （3）考查詞義猜測。由此可知，由于污染嚴(yán)重，學(xué)校、大學(xué)、醫(yī)院和市場分發(fā)了數(shù)百萬個(gè)防污染口罩。根據(jù)第四段“Hundreds of flights were diverted, delayed and canceled over the weekend due to poor visibility, schools and offices were closed Monday and officials rushed to take emergency measures to try to reverse the eroding air quality. Millions of antipollution masks were distributed at schools, colleges, hospitals and markets.” 周末期間，由于能見度低，數(shù)百架航班被迫改道、延誤和取消，學(xué)校和辦公室周一關(guān)閉，官員們緊急采取措施，試圖扭轉(zhuǎn)不斷惡化的空氣質(zhì)量。故選B。可知，政府盡管發(fā)誓解決這種污染，但情況不僅沒有改變，反而更加嚴(yán)重，使得人們必須佩戴防毒口罩。s most polluted city.” 新德里每年都會(huì)被污染吞沒，隨著天氣變冷，汽車和以煤為基礎(chǔ)的發(fā)電廠排放的污染物、建筑工地和道路上飄動(dòng)的灰塵，以及鄰國農(nóng)作物秸稈燃燒產(chǎn)生的煙霧，都會(huì)形成濃霧。 （1）考查推理判斷。 . Caused by the Development of New Delhi Pollution Envelops New Delhi Masks Are in Great Need in New Delhi in the Neighboring States are to Blame for Burning Crop Stubble【答案】 （1）B（2）C（3）A（4）B 【解析】【分析】本文是一篇說明文，隨著城市的發(fā)展和越來越多的人口流動(dòng)，城市規(guī)模的擴(kuò)大，印度的新德里成為世界上污染最嚴(yán)重的城市。 s air quality index, which measures a mix of dangerous pollutants, registered an average score of 494 Sunday. That is the highest 24hour average since Nov. 6, 2016, when it hit 497, according to data measured by the Central Pollution Control Board.（1）Which of the following is NOT true? is one of the most important festivals in India. government did little to protect its citizens against the serious pollution. a serious air pollution in New Delhi appears on a regular basis. index of the recent air pollution is not the worst in the history.（2）Who may not plain about the serious air pollution? parents whose children have to stay at home. pilots whose planes have been diverted or delayed. manufacturers who produce antipollution masks. officials who have to work out of their offices.（3）Which of the following phrases can replace the underlined word in paragraph 5? out. up. in. on.（4）The title of the passage should be s most