山东普高大联考高二11月联合质量测评英语x

2023-11-26 07:33:25 67

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札记situation.the outcomes they wanted were very similar:to be connected,and to be supported.y.Wang and his team identified much earlier proof of pandas having an extra finger-and thus an札记their reactions to cach other brought them the exact opposite.Actually,the rule here is simpleall-bamboo diet-in the form of a fossilized digit dating back 6 to 7 million years.The fossil.unearthed in Yunnan Province in southwest China,belonged to a panda ancestor knownasAiluraretos.While the giant panda's sixth digit is not as elegant or skllus human thumbs,thearen't angry.persistence of this"chracteristic morphology"over millions of24.Why did Rober send the tet o Howard?important function for survival,the study noted.A.Howard betrayed him at games28.What can we know about giant pandas'ancestors?B Howard hid him from the truthA.They had a balanced diet.B.They looked like other bears.CHoward held meeting without inviting himC.Their favorite food was meat.D.They ate more than bamboo.D.Howard didn't involve him in a project.29.Why have modern pandas developed a sixth finger?25.What made Howard angrier?A.To scare other animals away.B.To efficiently handle bamboo.A.His meeting's failure.C.To get different kinds of food.D.To leave low-nutrient bamboo out.B.His leader's criticism.30.What does the underlined word"baffled"in paragraph 3 mean?C.His friend's negative text.A.Excited.B.UpsetC.Puzzled.D.Surprised.D.A previous unpleasant experience.31.What is the text mainly about?26.Why did Robert and Howard put an end to their friendship?A.New proof to show pandas'earlier evolution.A.They weren't connected enoughB.The function of the giant pandas'sixth fingerB.They didn't handle issues calmlyC.The reason why pandas especially like bambooC.They were misled by someone elseD.Differences between pandas and their ancestors.D.They had a negative attitude towards life.【答案与解析】27.What is the text focused on?科学家发现大熊猫的进化远比之前研究的要早。A The end of two close persons'friendship.28.D根据第1段第3句可知，大熊猫的祖先跟其他熊一样，所食用的食物来源较广泛B.The effects of negative emotions on friendship.29.B根据第2段第1句可知，大熊猫的第六根手指能够帮助它们靠低营养价值的竹子为食，能更容易抓住竹竿剩去■竹叶，由此可推知第六指能帮助大熊猫高效处理竹子。C.Lessons from two personsfailing relationship.30.C根据第3段第1句可知，一份不完整的熊猫化石记录意味着，长期以来一直困扰生物学家的这一令人因惑的特D.Ways ineffective communications.征，即熊猫是如何进化的尚不清楚。由此可推知，句中baffled意为“使困惑”。【答案与解析】31,A通读全文可知，本文主要介绍了科学家发现大熊猫的进化远比之前研究的要早本文通过两位丽友之间关系破裂的事例得出结论：人们遗事时应保持冷静】D2.C振指第1段第3句可知，Robert发短信是因为Howard开会没有遨请他Nature's green plants often fight insects and other plant-eaters by releasing bitter chemicals into25.D振据第2段第4句可知，想起在那周更早的一个会上，Robert不支持他的想法，Howard就更生气26.B振指最后一段最后三句可知，Robert和Howard关系破裂是因为他们两人遇事时都不够冷静their leaves.If a plant tastes bad,hungry insects will avoid it.Plants make sacrifices to protect27C文章通过分两位朋友关系破裂的故事得出结论：人与人之问相处应通事保持冷静。themselves from pests.Now a tiny weed that squeezes through sidewalk cracks is helping scientists understand thoseGiant pandas are famously picky eaters.They only chew on bamboo and each day spend 15costs of always being on guard.In a new study,researchers studied Arabidopsis.thelabat"ofhours eating up to 45 kilograms of the stuff.But their ancestors,like most bears,ate a much widerthe plant world,to learn what this bitter defense costs the plantdiet that included meat,and it was thought that modern pandas'particular diet evolved (All plants have a series of what are called JAZ genes (in their DNA,which provide therelatively recently.However,anew study finds that pandas'particular passion for bamboo may haveinstructions to make JAZ proteins.These proteins help plants control how they use defensiveoriginated at least 6 million years ago-possibly due to the plant's wide,year-round availability.chemicals.Gregg Howe's team changed 10 of its 13 JAZ genes of Arabidopsis,so they made less ofTo survive ony on owutrient bamboo,modern pandas have developed a unique sixth finger,those JAZ proteins.Such plants were in defensive mode nearly all of the time.a thumb of sorts that allows them to easily grasp bamboo stalks and remove the leaves."TightlyAnd they paid a price.They grew shorter than normal and were weaker.These plants alsoholding bamboo stems in order tocrush them into bite sizes is perhaps the most important adaptationmade fewer seeds that were viable(可生长发育的).The plants also developed brown and witheredto consuming a large quantity of bambo,"said study author Xiaoming Wang,an officer at the(leaves.This showed that the engineered plants were being starved of the carbon they needNatural History Museum of Los Angeles County,in a statement.for growth.Carbon starvation happens when plants close up the tiny holes in their leaves known asAn incomplete panda fossil reord meant that how the bears evolved this confusing feature thatstomata.Those holes let leaves breathe in the carbon dioxide they need to make food.When plants000z000has long baffled biologists wasn'treally understood.Previous research had found evidence of thiskeep their defenses turednal the time,they use upenergy."When plants use those resoures forthumb-like structure from about 1000050,00 years ago.defensein this case,a defense agninst inseetsthere is a major tradeoff,"says Gregg Howe.【24G3DY(新高考)英语-WYB-必考-Y】105

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