2021年苏州市吴中区东山中学高三英语上学期期中试题及答案.pdf
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1、2021 年苏州市吴中区东山中学高三英语上学期期中试题及答案 第一部分 阅读(共两节,满分 40 分)第一节(共 15 小题;每小题 2 分,满分 30 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 A Lifelong Devotion to Keeping People Fed Yuan Longping is a Chinese agricultural scientist and educator,known for developing the hybrid rice varieties.Yuan graduated from the Southwest
2、 Agriculture Institute in 1953 andbegan his teaching career at an agriculture school.In the 1960s,when a serious food shortage sweptChina,Yuan decided to devote himself to studying how to increase the yields of rice.He then began a lifelong connection with rice.Yuan succeeded in growing the worlds f
3、irst high-yielding hybrid rice varieties in 1973,which could reach a yield of over 500 kg per mu(about 0.067 hectares),rising from the previous yield of only 300 kg per mu.For the next four decades,he continued to work on research and development of hybrid rice,achieving increasingly higher outputs.
4、In 2020,hybrid rice developed by Yuans team achieved 1,500 kilograms per mu in two growing seasons,a new world record.InChina,where rice is the main food for the majority of the 1.4 billion people,the planting area of hybrid rice has reached 16 million hectares,or 57%of the total planting area of ri
5、ce,helping feed an extra 80 million people a year.Hybrid rice has also been grown in over 40 countries,including theU.S.,Brazil,India,Vietnam,thePhilippinesandMadagascar.The total planting area of the hybrid rice has reached 8 million hectares overseas.Even after a great success,Yuan never held hims
6、elf back from making new breakthroughs.In 2017,his team started to grow seawater rice inQingdao.The rice was designed to grow in saline-alkaline land and survive even after being completely in seawater.His team planned to develop a type of seawater rice that could be planted in 6.67 million hectares
7、 of saline-alkaline land acrossChinato boost the countrys rice harvest by about 20%.In 2018,Yuans team was invited to plant the saline-alkaline tolerant rice in experimental fields inDubai,which achieved huge success.In June 2020,his team started to grow seawater rice on a farm at an altitude of 2,8
8、00 meters in northwestChinasQinghaiProvince.The experiment succeeded.Yuan had two dreams to“enjoy the cool under the rice crops taller than men”and that hybrid rice could be grown all over the world to help solve the global food shortage.1.What made Yuan Longping decide to study rice?A.A serious foo
9、d shortage.B.Agriculture development.C.His interest in the rice experiment.D.His wish to plant the tallest rice in the world.2.From the passage,we know that Yuan Longping _.A.developed a variety of hybrid rice B.worked as a scientist after graduation C.started to grow seawater rice inDubaiin 2017 D.
10、grew the first high-yielding hybrid rice varieties in 1953 3.We can infer from the passage that Yuan Longpings most outstanding qualities are_.A.modest and outgoing B.honest and creative C.generous and optimistic D.responsible and devoted B Photographer Rebecca Douglas has always been fascinated by
11、the night sky.Her love for stars has taken theU.K.resident on“star walking”trips toIcelandand into theArctic,where she steps out onto darkened trails to capture twinkling stars and glowing planets in her images.Hiking at night isnt uncommon.Plenty of people hike after dark to get to campsites or wat
12、ch the sunrise from a mountaintop.Star walking goes a step further by blending hiking with stargazing.Rather than heading to an observatory or setting up a telescope in your backyard,star walking takes you on a brief journey to look at the stars from different viewpoints.Whether youre in the mountai
13、nside or by the lake with stars reflecting on the water,star walking is often much more dynamic than traditional stargazing.Whats more,star walking is good for you.There are plenty of studies that show the health benefits of being in nature.Spending at least two hours a week outdoors,particularly wh
14、ile engaging in what involves“effortless attention”,can decrease blood pressure,heart rate,and stress levels.So how does an aspiring star walker get started?It doesnt take much more than a sturdy pair of boots.While telescopes and binoculars obviously have their uses,people are encouraged to start w
15、ith naked-eye stargazing.Using only the eyes allows one to get lost in the infinite expanse of space and lets the mind go.It is advised that one read up on the night sky before heading out.Free mobile apps,such as Star Walk 2,can help identify celestial bodies(天体)and are easy to usesimply point your
16、 phone at the sky to reveal a map.Websites like Sky&Telescope and NASAs Space Place cover the basics,have in-depth explanations on stars,and offer advice on equipment.Space Place posts monthly skywatching updates,so you can plan outings around events such as meteor showers.In the United States,natio
17、nal parks are great options for inexperienced night hikers.Many offer guided outings that explain the importance of protecting night skies.Those with a good number of walks under their belt may want to try GlacierNational Park in Montana.If national parks and other dark-sky designated areas are out
18、of range,check local astronomy clubs and observatories for guided sessions.Sites like the International Astronomical Union are useful for finding resources by area.At the end of the day,the best advice is to take it slow and enjoy the journey.“With all of the chaos(混乱)thats happening around us,the o
19、ne constant has been the night sky,”explains Douglas,who hasbeen exploring popular places nearby,long after the crowds have gone home for the day.“Walking is quite a mindful way of looking up and being reminded that,although everything feels so different,some things are still the same.”4.According t
20、o the passage,star walking refers to _.A.going to an observatory B.looking at stars in mountains C.combining hiking and stargazing D.setting up a telescope in the backyard 5.One of the reasons why people go on a star walking is that _.A.its easier to identify celestial bodies B.it is good for physic
21、al and mental health C.they can enjoy the journey without crowds D.they can raise awareness of protecting night skies 6.According to the passage,a star walking beginner is advised to _.A.prepare a pair of strong boots B.start by observing with telescopes C.join an astronomy club or an observatory D.
22、find guided outings with the help of mobile apps 7.The main purpose of the passage is to _.A.excite peoples interest in star walking B.recommend some places for star walking C.explain the health benefits of star walking D.introduce the preparations for star walking C Its a little before8 a.m.when Ma
23、thias Schergen pushes open the side door at Chicagos Jenner Elementary Academy for the Arts.He walks down the hall toward the office to sign in.Its the same routine hes had as Jenners art teacher for nearly a quarter century.“Its going to be a good day,”a colleague calls out.“Its a good day.”They hu
24、g.It seems like a typical Friday.Except its not.After 23 years at Jenner Elementary,Schergen is retiring.Even on his last day,there are still art projects to finish.Schergen leaves behind a richlegacyat this school.Hes won grants(拨款)for art projects.He turned an empty classroom into a museum.Hes pus
25、hed his students to make art about their lives.And he was awarded a Golden Apple the most honorable teaching award in Chicago.But it wasnt always easy.For years,Schergen taught in one of the citys toughest neighborhoods.“When I first got my room,I noticed there were bullet holes in the window.That m
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