2021年萍乡市安源镇中学高三英语下学期期末试卷及参考答案.pdf
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1、2021 年萍乡市安源镇中学高三英语下学期期末试卷及参考答案 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 Britains brilliant bridges have aided trade and brought communities together and are always the most exciting part of the journey.These must-see bridges are now tourist attractions in t
2、heir own right.Clifton Suspension Bridge,Bristol Described byits legendary engineer Isambard Kingdom Brunel as“my first love,my darling”,in was originally designed for horse-drawn traffic.Now,more than four million vehicles a year cross the 1,352ft-Jong toll(收费)bridge over the Avon Gorge.The l toll
3、for every journey pays for its repair.The history of the bridge,dating back to 1864,is kept alive through a programme of tours,events and exhibitions.Infinity Bridge,Stockton-On-Tees A pedestrian and cycle footbridge across the River Tees,its working title was the North Shore Footbridge,before it wa
4、s given its grander name when opened in 2009.It is particularly spectacular(壮观)at night.The arches of the bridge are also lit white and,on calm nights,their reflection in the water appears as an infinity symbol,thereby inspiring the name which was chosen by the public.Tower Bridge,London An engineer
5、ing wonder built from thousands of tons of Cornish granite,Portland stone and steel,it took construction workers eight years to complete.More than 120 years old,its a popular tourist attraction,as well as a functional bridge.Visitors can take in the views over the capital and experience seeing Londo
6、n life through the Glass Floor.Iron Bridge,Shropshire Opened in 1781,this is the first arch bridge in the world to be made out of cast iron.Recognised as one of the great symbols of the industrial revolution,it transformed the cart of bridge building and was a crucial factor in the development of th
7、e iron trade in Shropshire.1.Which bridge has the longest history?A.Clifton Suspension Bridge.B.Infinity Bridge.C.Tower Bridge.D.Iron Bridge.2.What can we know about Infinity Bridge?A.People can just walk on it.B.The public give it two names.C.Its well worth visiting at night.D.Its arch is the bigge
8、st on the earth.3.What do Clifton Suspension Bridge and Tower Bridge have in common?A.They are both over 120 years old.B.Visitors should pay for passing them.C.They have the same original design.D.Visitors can have a good view of London on them.B The worlds largest iceberg is floating toward South G
9、eorgia in the southernAtlantic Ocean.Scientists fear the iceberg could crash into the island and block major feeding areas for a large population of penguins and seals.If the iceberg hits the island,it could prevent the penguins and seals from reaching food supplies.The huge iceberg is named A68a.It
10、 broke away fromAntarcticas Larsen C Ice Shelf in 2017.Satellite images show the iceberg has remained in one piece.It is estimated to be about 150 kilometers long and 48 kilometers wide.It is traveling at one kilometer per hour and is on a path to hitSouth Georgiain around 30 days.This is the time o
11、f year when seals and penguins spend a lot of time caring for their young.The distance that parents have to travel to find food is crucial.That means they have to go a lot further or go around the iceberg to find sources of food.Ecologists say an iceberg crash would also disturb materials settled on
12、 the seabed,possibly polluting the surrounding seas.As the iceberg melts,it would also release large amounts of fresh water into the ocean.This could affect krill(磷虾)populations that are a major source of food for the islands wildlife.The iceberg could remain for up to 10 years and change the areas
13、whole ecosystem.These are globally significant populations of these species.If these species fail in this particular area,then the numbers globally are going to go down quite dramatically.Professor Geraint Tarling,an ecologist at the British Antarctic Survey,said,The breaking off of icebergs fromAnt
14、arcticais a natural process.But the process is changing with climate change.What were seeing with models and some observations now is that this is happening at an increasing rate.And so,this might become more of a usual thing in the future.4.Why are the scientists worried about the coming iceberg cr
15、ash?A.It will bring extremely cold weather.B.It will destroy the feeding areas of the animals.C.It will put wildlife on the island at risk of starving.D.It will prevent animals from moving to other places.5.What is paragraph 2 mainly about?A.The characteristic of the iceberg.B.The importance of the
16、iceberg.C.The traveling speed of the iceberg.D.The forming process of the iceberg.6.What damage can an iceberg crash bring according to paragraph 4?A.Using up much fresh water.B.Polluting the surrounding farms.C.Changing the worlds ecosystem.D.Affecting the number of certain species.7.How does Tarli
17、ng think of the breaking off of icebergs fromAntarctica?A.It may slow down in the near future.B.It may become common in the future.C.It has a great influence on the climate.D.It helps scientists conduct a sea study.C Nowadays organic food hasbecome a fashion.Organic food sales reached a record of$45
18、.2 billion in 2017,making it one of the fastest-growing parts of American agriculture.Some people may buy organic food for these reasons like resource cycling and biodiversity,but most people may choose organic food because they think its healthier.While a small number of studies have shown relation
19、ships between eating organic food and reducing risks of being ill,no studies,up to now,have answered the question whether eating organic food can improve health.According to the United States Department of Agriculture(USDA),organic food does not suggest anything about health.In 20155 Miles McEvoy,th
20、en chief of the National Organic Program for the USDA,refused to admit any health benefits of organic food,saying the question has nothing to do with the National Organic Program.Instead,the USDA thinks that organic refers to a production method that increases cycling of resources keeps ecological b
21、alance,and protects biodiversity.Im an environmental health scientist who has spent over 20 years studying pesticides that do harm to human beings.Several years ago,I was part of the study on whether an organic diet can reduce pesticide exposure.This study focused on a group of pesticides which have
22、 always been harmful to childrens brain development.We found that children who ate traditional diets had nine times higher exposure to these pesticides than children who ate organic diets.Last month,I published a small study that suggested a path forward to answering the question whether eating orga
23、nic food actually improves health.My study got a lot of attention.While the results were novel,they didnt answer the big question.As I toldThe New York Timesin 2003,“What does this really mean for the safety of my kids?But we dont know.Nobody does.It was true then,and its still true now.”8.Why do mo
24、st people prefer to buy organic food?A.For its health benefits.B.For biodiversity.C.For its delicious taste.D.For resource cycling.9.What does the USDA suggest about organic food?A.It can improve peoples health.B.It is produced in an environment-friendly way.C.It can reduce risks of being ill.D.It h
25、as nothing to do with the National Organic Program.10.What can be concluded from the authors study?A.Pesticides dont harm childrens brain.B.Traditional diets benefit peoples health.C.Organic diets can reduce pesticide exposure.D.The results are meaningful to childrens safety.11.What is the best titl
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