2021届高考英语阅读理解题型精准练观点态度题.pdf
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1、中学教育 中学教育 2021 届高考英语阅读理解题型精准练观点态度题 It would not be an overstatement to say that salt is one of the greatest discoveries in the history of mankind.Just imagine how tasteless our food would have been had salt not been discovered.Apart,from adding flavor to our food,it is also an essential ingredient f
2、or the health of both man as well as animals,provided it is taken in the right quantities.Salt is also used by the food processing and meat packing industries as a seasoning or preservative ingredient.Salt has always been helpful in the building of communities and societies,as man normally built his
3、 settlements around the sources of salt.At one point of time,salt was also used as a currency.Today,there are many countries around the world that are working hard to extract(提炼)salt so that we can enjoy our food to the fullest.Some of these are producing enough salt to satisfy the requirement of th
4、e entire world,while others are producing just enough to support their own people.According to the British Geological Survey,China is the top salt producer in the world.The United States of America occupies the second position,and India,finishing a distant third.Other countries that,made it among th
5、e top ten salt producing nations list were Canada,Australia,Germany,Mexico,Chile,France and the Netherlands.Countries that produced more than 1 million tons of salt in 2017 included Peru,Bangladesh,Thailand,Brazil,Saudi Arabia,Pakistan,Romania,Egypt,Poland,and the United Kingdom,to name a few.Ranked
6、 at the bottom of the list were the African nations of Mauritania and Djibouti.So,the next time you take your meal and add a pinch of salt to make it more delicious,do share a thought for the numerous salt workers around the world due to whom our food tastes so perfect.4.What is the authors attitude
7、 toward those who produce salt?A.Regretful.B.Grateful.C.Doubtful.D.Faithful.Amazon wants to be able to answer the troublesome question:Did I leave the stove on?The latest home security tool by Ring,a home security company owned by Amazon,is the Always 中学教育 中学教育 Home Cam,a flying drone that can help
8、homeowners check their apartments whenever they7re not in.The Always Home Cam is a lightweight,self-docking,flying indoor camera that can take a predetermined path set by its user.When used with Rings proprietary home alarms systems like the Ring Alarm,the Always Home Cam will take flight and check
9、the house for any potential disturbances The drone unit can also be controlled remotely and manually.After a Flight,the Always Home Cam automatically returns to its station itself for charging.It only records while in flight,too.You can ask it to fly to check the stove while youre out.or to see if y
10、ou left the windows open.If s also great for checking on naughty pets.The drone has obstacle avoidance technology built-in,and hidden propellers(螺旋奖)to mitigate any damage to household furnishing in the event of a collision.Amazon says the drone will automatically take flight if theres movement in t
11、he house to show you whats going on.The device was one of several that Amazon unveiled Thursday as part of its annual appliance event.Due to the pandemic,this years version was held online instead of at Amazons Seattle headquarters.The indoor flying camera,called the Ring Always Home Cam,still needs
12、 approval from the U.S.Federal Communications Commission,but Amazon said it expects to sell it next year at$250.It will also launch a camera and alarm system for cars next year under its Ring brand.Critics have raised privacy concerns about Ring,which is best known for its doorbell cameras,citing th
13、e company close relationship with police departments.Amazon said the drone only records when it is in the air,and that it makes a sound when it flies so any people in the house knows its recording.4.Whats the authors attitude towards the Always Home Cam?A.favorable B.critical C.doubtful D.objective
14、The eastern Siberian landscape is not normally like hell.In winter it is blanketed in snow:in summer,its forests are lush(苍翠繁茂的).This year,however,the region is on fire,as are large parts of the Arctic Circle.中学教育 中学教育 The fires began in June,caused by an extremely hot and dry early summer.It was th
15、e hottest June on record globally.In the regions that are burning,temperatures peaked at 8-10 warmer than the average from 1981 to 2010.This has dried out the landscape,producing tinder(易燃物)for natural forest fires.So far,hundreds of above-ground fires have been recorded by satellites in the Arctic
16、and sub-Arctic.It is estimated that fires within the Arctic Circle have produced more than 100m tonnes of carbon dioxide in a year.That is a lot.But burnt vegetation can regrow within a decade,and in doing so reabsorbs much of the released carbon dioxide.It is what is happening below ground that mos
17、t worries ecologists and climate scientists.Global warming will melt Arctic permafrost(永久冻土),releasing large amounts of stored greenhouse gases.But if fires in the region become more common,that could have even bigger consequences.Wildfires will release much faster and bigger amounts of carbon,rathe
18、r than melting permafrost.The fires also produce black carbon which,if dropped on the Arctic sea ice by favourable winds,will darken its surface,making it more likely to absorb sunlight and melt.This decreases the reflectivity of the region and further increases Arctic warming.Smog from the fires is
19、 blanketing much of Siberia.What is scary about the Arctic fires is that they are driven by climate change,and theres very little you can do,says Thomas Smith.Few natural fires this big have ever been successfully managed.The only way to deal with the spread of these fires is to slow the rate of glo
20、bal warming.Dont hold your breath.4.Which word best describes the authors attitude toward the Arctic fires?A.Objective.B.Indifferent.C.Optimistic.D.Worried.If youve ever passed the cockpit(驾驶舱)while boarding a flight and tried to pick up bits from your pilots conversation,you probably didnt understa
21、nd much of them.Do they want to keep something in the dark?For terms like niner to Zulu,pilot-speak may sound like all Greek to you.But in this way,what happens to pilots can be expressed clearly and briefly.Thats why it is well-recognized in this industry.Pan-pan.Airline passengers likely wont ever
22、 hear their pilot use this term,which is reserved for communication with air traffic controllers.When pilots notice something unusual with their aircraft that stops short of an immediate emergency,they use pan-pan.For example,if 中学教育 中学教育 one of a multi-engine aircrafts engine has failed,pilots migh
23、t say pan-pan to get controllers attention and request an emergency landing.George is flying the plane now.There is a George on nearly every commercial aircraft.Pilots often allocate George to command the plane when it reaches cruising(巡航)altitude or when theyve flown for more than 10 hours,when the
24、yre required to rest according to rules for two-pilot planes.Were flying through an air pocket.Air pocket is a more acceptable expression for the word turbulence,a sudden and violent changes in the direction that air is moving in.This term might ease the sudden and strong impact on ears and causes l
25、ess panic among passengers in an emergency.There are 155 souls on board.The number of souls on an aircraft refers to the total living bodies on the plane,including every passenger,pilot,flight attendant and crew member.Pilots report the number of souls only when declaring an emergency to avoid confu
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