2020届广州市第二十六中学高三英语二模试题及参考答案.pdf
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1、20202020 届广州市第二十六中学高三英语二模试题及参考答案届广州市第二十六中学高三英语二模试题及参考答案第一部分第一部分阅读(共两节,满分阅读(共两节,满分4 40 0 分)分)第一节(共第一节(共 1515 小题;每小题小题;每小题 2 2 分,满分分,满分 3030 分)分)阅读下列短文,从每题所给的A、B、C、D 四个选项中选出最佳选项A AMy wife Hilary andI were on the beach,with three of our children,taking pictures of shore birds near ourhome in Alaska whe
2、n we saw a bear.The bear was thin and small,moving aimlessly.Just a few minutes later,I heard my daughter shouting,“Dad!The bear is right behind us!An aggressive bearwill usually rush forward to frighten away its enemy but would suddenly stop at the last minute.This one wassilent and its ears pinned
3、 back the sign of an animal that is going in for the kill.And it was a cold April day.Thebearbehaved abnormally,probably because of hunger.I held my camera tripod(三脚架)in both hands to form a barrier as the bear rushed into me.Its huge headwas level with my chest and shoulders,and the tripod stuck ac
4、ross its mouth.It bit down and I found myselfsupporting its weight.I knew 1 would not be able to hold it for long.Even so,this was a fight I had to win:I was all that stood between the bear and my family,who would standlittle chance of running faster than a brown bear.The bear hit at the camera,cutt
5、ing it off the tripod.I raised my left arm to protect my face;the beast heldtightly on the tripod and pressed it into my side.My arm could not move,and I sensed that my bones were goingto break.Drawing back my free hand,I struck the bear as hard as I could for five to six times.The bear opened itsmo
6、uth and I grasped its fur,trying to push it away.I was actually wrestling with the bear at this point.Then,assuddenly as it had begun,the fight ended.The bear moved back towards-the forest,before returning for anotherattack the first time I felt panic.Obviously satisfied that we caused no further th
7、reat,the bear moved off,destroying a fence as it went.Myarm was injured,but the outcome for us could hardly have been better.Im proud that my family remainedclear-headed when panic could have led to a very different outcome.1.How did the writer feel when faced with the brown bear?A.Fearful but confi
8、dent.B.Nervous but brave.C.Upset but determined.D.Awful but hopeful.2.The bear finally went away after itA.got injuredB.felt safeC.found some foodD.took away the camera3.What does the author want to tell us?A.We should keep calm when troubles comeB.We should rise to the challenge when faced with dif
9、ficulties.C.We should not risk ourselves in some dangerous areas.D.We should learn to take advantage of anything at hand when in trouble.BIn a study published in Nature Machine Intelligence,researchers at Ohio State University show how artificialintelligence(AI)can follow clinical trials to identify
10、 drugs for repurposing,a solution that can help advanceinnovative treatments.Repurposing drugs is legal and not unusual.When doctors prescribe(开处方)drugs that have been approvedby the Food and Drug Administration(FDA)for purposes different from what is printed on the labels,the drugs arebeing used“of
11、f-label”Just because a drug is FDA-approved for a specific type of disease does not prevent it fromhaving possible benefits for other purposes.For example,Metformin,a drug that is FDA-approved for treating type 2 diabetes,is also used to treatPCOS(a disease of women),and other diseases.Trazodone,an
12、anti-depressant with FDA-approval to treatdepression,is also prescribed by doctors to help treat patients with sleep issues.The Ohio State University research team created an AI deep learning model for predicting treatmentprobability with patient data including the treatment,outcomes,and potential c
13、onfounders(干扰因素).Confounders are related to the exposure and outcome.For example,a connection is identified betweenmusic festivals and increases in skin rashes(红疹).Music festivals do not directly cause skin rashes.In this case,one possible confounding factor between the two may be outdoor heat,as mu
14、sic festivals tend to run outdoorswhen the temperature is high,and heat is a known cause for rashes.When working with real-world data,confounders could number in the thousands.AI deep learning is well-suited to find patterns in the complexity ofpotentially thousands of confounders.The researcher tea
15、m used confounders including population data and co-prescribed drugs.With thisproof-of-concept,now clinicians have a powerful AI tool to rapidly discover new treatments by repurposingexisting medications.4.What do we know about a drug used off-label?A.It is sold without a label.B.It is available at
16、a low price.C.Its uses extend beyond the original ones.D.Its clinical trials are rejected by doctors.5.Metformin and Trazodone are similar as both of them_.A.are used off-labelB.treat rare diseasesC.result in sleep issuesD.are medical breakthroughs6.What can be inferred about“confounders”?A.They are
17、 possible treatments.B.They are environmental factors.C.They can be easily recognized in real-world data.D.They should be taken into serious consideration.7.What is the main idea of the text?A.AI examines benefits of existing drugs.B.AI identifies off-label uses for drugs.C.AI finds new drugs for co
18、mmon diseases.D.AI proves the power of drug research.CClara Daly was seated on an Alaska Airlines flight from Boston to Los Angeles when a flight attendant askedan urgent(紧急的)question over the loudspeaker:“Does anyone on board know American Body Language?”Sheknew she needed to help.Clara,15 at the t
19、ime,pressed the call button.The flight attendant came by and explained the situation.“Wehave a passenger on the plane whos blind and deaf,”she said.The passenger seemed to want something,but hewas traveling alone and the flight attendants couldnt understand what he needed,according to PEOPLE magazin
20、e.Clara had been studying ASL for the past year to help with her dyslexia(阅读障碍)and knew shed be able tospell on the mans palm(手掌)by finger.So she unbuckled her seat belt,walked toward the front of the plane,andknelt by the aisle seat of Tim Cook,then 64.Gently taking his hand,she wrote,“How are you?
21、Are you OK?”Cookasked for some water.When it arrived,Clara returned to her seat.She came by again a bit later because hewanted to know the time.On her third visit,she stopped and stayed for a while.“He didnt need anything.He was lonely and wanted to talk,”Clara said.So for the next hour,that was wha
22、tthey did.She talked about her family and her plans for the future(she wants to be a politician).Cook told Clarahow he had gradually become blind over time and shared stories of his days as a traveling salesman.Even thoughhe couldnt see her,she“looked attentively at his face with such kindness”,a pa
23、ssenger reported.“Clara was amazing,”a flight attendant told Alaska Airlines in a blog interview.“You could tell Cook was veryexcited to have someone he could speak to,and she was such a warm-hearted girl.”Cooks reaction:“Best trip Iveever had.”Looking for ways to offer help?Start with this random(随
24、时的)act of kindness that can change someones liferight now.8.The flight attendant asked an urgent question because _.A.the passenger was traveling aloneB.the plane was in a dangerous situationC.the passenger asked for something suddenlyD.none of the flight attendants could communicate with the passen
25、ger9.Why did Clara talk about her plans for the future?A.Because the flight attendant asked her to do so.B.Because she needed topics to go on talking with Cook.C.Because Cook hoped to understand teenagers better.D.Because she wanted to show her dream for the future.10.Which of the following words ca
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