【正文】 the same results in corn and rice. （1）What will happen to the plants when scientists change plants39。s protective system to lightadjusting glasses. When a person wears the glasses outside during the day, the lenses（鏡片）darken and lighten depending on how sunny it is. Plants do the same thing, he said. But in plants the adjustment can take anywhere from 10 minutes to an hour. This makes it hard for plants to get the right amount of sunlight needed to create food. s protective system. Normally, this system is activated when a plant gets too much sunlight, said scientist Krishna Niyogi, coauthor of the study. When the plant senses the light, it gets rid of extra energy and creates more leaves. When the plant is in shade, the protective system is turned off, but the process is slow. s genes, the scientists were able to increase the amount of leaf growth on plants between 14 and 20 percent. s genes in order to make it use sunlight more quickly. Someday, the results could increase the amount of food produced around the world. Hacking isn39。 【點評】本題考點涉及細(xì)節(jié)理解和推理判斷兩個題型的考查，是一篇環(huán)保類閱讀，考生需要準(zhǔn)確捕捉細(xì)節(jié)信息，同時根據(jù)上下文進行邏輯推理，從而選出正確答案?？v觀全文可知，本題介紹了塑料垃圾給海洋以及海洋生物帶來的危害。s a matter of building the necessary institutions and systems, he says, ideally before the ocean turns into a thin soup of plastic.”他說最好在海洋變成塑料湯之前建立一個必要的機構(gòu)和制度的問題，可推知選C。 （3）考查推理判斷?？赡苡懈嗟娜耸艿綗o形的傷害。 （2）考查細(xì)節(jié)理解。根據(jù)第一段中的“their plastic waste would likely still be around four centuries later.A lifestyle magazine.【答案】 （1）D（2）B（3）C（4）C 【解析】【分析】本文是一篇說明文，介紹了塑料垃圾給海洋以及海洋生物帶來的危害。A travel brochure.C.A biology textbook.s time to take measures to deal with plastic waste.D.Plastics will turn the ocean into a soup of plastic.C.Some people don39。D.Being caught by humans.B.Lacking protection.To show plastic waste has a lasting effect on the ocean.（2）What39。To introduce what marine animals like eating.C.s a matter of building the necessary institutions and systems, he says, ideally before the ocean turns into a thin soup of plastic. （1）Why does the author mention the Pilgrims in paragraph 1? A.t a problem where we don39。 Meanwhile, ocean plastic is estimated to kill millions of marine(海洋的）animals every year. Nearly 700 species, including endangered ones, are known to have been affected by it. Some are harmed visibly, stuck by abandoned things made of plastic. Many more are probably harmed invisibly. Marine species of all sizes, from zooplankton to whales, now eat microplastics, the bits smaller than onefifth of an inch across.s last sink. In 2015, Jenna Jam beck a University of Georgia engineering professor, caught everyone39。t invented until the late 19th century, and its production only really took off around 1950, we have a mere billion tons of the stuff to deal with. Of that, more than billion tons have bee waste. And of that waste, a surprising billion tons never made it to a recycling binthe figure that shocked the scientists who published the numbers in 2017.s oceans today, waiting to be eaten by some fish or oyster, and finally perhaps by one of us.4．犇犇閱讀理解 故選B。本文就救助企鵝的視頻引發(fā)的熱議講述了當(dāng)動物面臨危險時，我們?nèi)绾紊斐鲈纸o出了一些建議。故選D。re watching a male polar bear eat a baby bear.可知，此句句意為：如果這是個捕食的情景，無論你是多么的心碎，你都不能干預(yù)。 （3）考查詞義猜測。m so glad. I understand not taking action directly, but a helping hand isn39。 （2）考查推理判斷。根據(jù)第二段中的“The film crew were anxious when they saw that a group of penguins had fallen into a gully and been trapped with their young. They built a slope（斜坡）so that a few of the penguins could save themselves.”和第三段中的“The case has taken the international media by storm”可知，從峽谷中救出企鵝這一事件引起了大家的熱議。 sufferings in a gully. of filming the series Dynasties.（2）Who holds a positive attitude towards human interference? Shaw. Lawson. Nieklen. Attenborough.（3）Which of the following best explains the word gutwrenching underlined in paragraph 6? one in place. one confused. one in danger. one heartbroken.（4）What can be a suitable title for the text? for the Necessity of Lending a Hand to Animals on How to Protect Animals From Danger of Human Interference on Dangerous Animals on Whether to Help Animals in Trouble or Not【答案】 （1）B（2）A（3）D（4）B 【解析】【分析】本文是一篇說明文，介紹了當(dāng)動物們面臨危險時，我們是否要伸出援救之手，以及如何去保護它們脫險。s director, told Daily Mail.（1）What has led to a heated media discussion? 39。 There39。s ever a predator (捕食者) situation, no matter how gutwrenching, you stay out of the way. Even when you39。t touching the animals and it was just felt by doing this... they had the chance not to have to keep slipping down the slope, he told the BBC.s creator David Attenborough, according to The Times. However, others think human interference (干涉) is unnatural. You can39。m so glad. I understand not taking action directly, but a helping hand isn39。 This question was raised after a group of penguins were saved from an icy gully (峽谷) in Antarctica. It was filmed for the BBC wildlife series Dynasties. The film crew were anxious when they saw that a group of penguins had fallen into a gully and been trapped with their young. They built a slope (斜坡) so that a few of the penguins could save themselves. 【點評】本題考點涉及細(xì)節(jié)理解和推理判斷兩個題型的考查，是一篇科普類閱讀，考生需要準(zhǔn)確捕捉細(xì)節(jié)信息，同時根據(jù)上下文進行邏輯推理，從而選出正確答案。s measurement bodies are almost certain to approve a decision that will mean four out of the seven base SI units...will follow the other three...in being redefined in terms of the values of physical constants”可知，在法國凡爾賽宮召開的會議上，七個基本計量單位中的四個將被重新定義，其中包括對千克的重新定義。 （4）考查細(xì)節(jié)理解。國際單位制是現(xiàn)時世界上最普遍采用的標(biāo)準(zhǔn)度量衡單位系統(tǒng)，采用十進制進位系統(tǒng)。Unit233。根據(jù)第三段中的“it was the French who in 1799 made it law和The Syst232。故選D。根據(jù)第二段中的“The king39。故選B。 （1）考查推理判斷。s measurement bodies are almost certain to approve a decision that will mean four out of the seven base SI units, including the kilogram, will follow the oth