1、语篇专练.阅读理解AThe US city of Chicago is considering blocking the citys canal system to stop giant fish entering North Americas Great Lake.But such a move could cost up to 18 billion and cause huge economic disruption to the city.This species of carp(鲤鱼) is native to the Far East.They were originally int
2、roduced to southern US states more than three decades ago to control a kind of underwater plant.But they escaped into the Mississippi River and proliferated(增殖)，making their way north towards the Great Lakes.More than a metre in length，they have replaced native fish species along the way.The meeting
3、 was organized by the US Army Corps of Engineers.Its study has put forward several options，one of which involves blocking parts of Chicagos canal system.This might take 25 years to complete.The issue had emotional as well as financial factors.There are 9.1 million people in Chicago and over a period
4、 of 100 years that canal has been there and the economic impact is considerable.And it would certainly increase the cost of transportation.It is currently very cheap and efficient to bring materials and finished goods down that Chicago ship canal.The steel industry，for example，depends on used metal
5、by ship.Another cheaper option，not suggested by the Corps of Engineers report，is to eat the fish out of existence.The carp hamburger mixed with lemon zest (柠檬皮)and pepper，did not taste bad at all.But the idea has not yet caught on.Although the Asian carp may appear to be an issue only for the US sta
6、tes and Canadian provinces，the rest of the globe should also be concerned.Twenty percent of the worlds freshwater is in the Great Lakes，and from an economic standpoint it will affect shipping that folks in the UK and other parts of the world might rely on to get their goods and services here because
7、 they are going to cost more to transport.Most people believe the fish are unstoppable and that it is only a matter of time before they make the Great Lakes their new home.1.The original purpose of introducing the carp to the US is .A.to make hamburgersB.to control a kind of plantC.to enrich native
8、fish speciesD.to replace native fish species答案B解析细节理解题。根据第二段第二句“They were originally introduced to southern US states more than three decades ago to control a kind of underwater plant.”可知，这种鲤鱼最初被引进到美国的目的是为了控制某种水草。2.Which statement is TRUE about blocking the canal system?A.It will cost a little money
9、.B.It will take a long time.C.It will improve peoples life.D.It will lower the cost of transportation.答案B解析根据第三段第二、三句“Its study has put forward several options，one of which involves blocking parts of Chicagos canal system.This might take 25 years to complete.”可知，这种行为耗费时间长，因此本题答案为B。另外根据第一段最后一句可知，这种行为
10、花费高，给这个城市带来巨大的经济损失，因此最大干扰选项A错误。3.What can we know from Paragraph 5?A.The carps only influence the US and Canada.B.The carps can improve the quality of the global freshwater.C.The carps can bring down Americans living cost.D.The carps can affect the whole world.答案D解析推理判断题。根据文章第五段首句“Although the Asian
11、 carp may appear to be an issue only for the US states and Canadian provinces，the rest of the globe should also be concerned.”可知，这种鲤鱼不仅仅影响到美国和加拿大部分省份，而且能影响到全球。4.Most peoples attitude to stopping the carps can be described as .A.positive B.indifferentC.defensive D.doubtful答案D解析根据最后一段“Most people beli
12、eve the fish are unstoppable and that it is only a matter of time before they make the Great Lakes their new home.”可知，人们对待采取行动制止鲤鱼增殖的措施持怀疑态度，因此本题答案为D。BWind，water，fire and icethese powerful natural forces shaped the land of America in the past.They are still changing it today.The Colorado River slowl
13、y cut down through stone to make the Grand Canyon(大峡谷).Wind and rain storms hit the land from time to time.Fires sometimes burn down forests and destroy the homes of wild animals.This happened in Yellowstone Park in 1988.Dead volcanic(火山的) mountains such as Haleakaia on Maui and Crater Lake in Orego
14、n are beautiful to look at.But there are several active volcanoes in the US，especially along the Pacific Coast.There are also many earthquakes in this area.Scientists can do nothing to control earthquakes or volcanoes.This was shown clearly on May 10,1980.At 8：32 that morning，Mount St.Helens in Wash
15、ington state erupted.The top of the mountain was blown off.Over 60 peoplecampers，scientists，journalists，and forest workers were killed.Hundreds of square miles of forests were knocked down.In towns over 100 miles away，day suddenly became night.An ash cloud hid the sun for many hours.Towns and fields
16、 in Washington，Oregon，and Idaho were covered with dirty gray ash.Scientists knew that Mount St.Helens might erupt soon.But no one could say when.Scientists had asked people to move away because the volcano was becoming dangerous.But Harry Truman would not leave his home.Now it is covered with many f
17、eet of dirty ash.But slowly，life is returning to the dead area around the mountain.Grass and small plants are becoming to grow again.Deer and birds have been seen.The land will never be the same as it once was.Perhaps Mount St.Helens will erupt again.But this is all part of natures pattern of change
18、，and man has little power to control it.5.What is the best title for this passage?A.Wind，Water，Fire and IceB.Volcanos Beauty and DangerC.The Power of NatureD.Natural Forces Shape Beautiful Land of America答案C解析标题归纳题。作者是想通过the Grand Canyon的形成过程向我们描述自然的力量。6.There are several active volcanoes in the US，
19、which mainly lie .A.along the Colorado RiverB.in Yellowstone Park C.along the Pacific CoastD.in Washington，Oregon，and Idaho 答案C解析细节理解题。从第三段第二句“But there are several active volcanoes in the US，especially along the Pacific Coast.”可知美国境内的活火山主要分布在太平洋沿岸。7.After the eruption of Mount St.Helens，what made t
20、he sky turn dark?A.The smoke. B.The clouds.C.The fog. D.The ash.答案D解析细节理解题。从第四段中的“An ash cloud hid the sun for many hours.”可知火山爆发产生的灰尘使得天空变暗了。8.The underlined word “it” in Paragraph 5 refers to “ ”.A.the body of old HarryB.the location (place) of Harrys homeC.the opening on the top of Mount St.Helen
21、sD.the place where Harry probably died答案B解析词义猜测题。该段提到“But Harry Truman would not leave his home.”，接下来文章说“Now it is covered with many feet of dirty ash.”，因此it在这里指Harrys home。.完形填空One of my favorite things in life is my monthly date night with my daughter.Now it has become our 9 to include some kind o
22、f Smile Card activity whenever we can.Its very 10 today，so we thought we would make our 11 act something cool.We went to an ice cream shop and sat down at the table near the counter.As we 12 our ice cream we told the woman that wed like to buy ice cream for the next person who came to the counter.Af
23、ter knowing my 13 ，the cashier was so excited and couldnt wait for the 14 person.My daughter was also excited to 15 on our victims! About five minutes later the cashier 16 told us，“Oh，a mother and two little kids are coming！” As the woman ordered their ice cream and 17 for her wallet the cashier tol
24、d her that someone wanted to buy her familys ice cream.She couldnt 18 it.“Seriously？”she asked with 19 .It was great.Rachel and I pretended not to notice.The cashier，in the spirit of remaining anonymous(匿名的)，came over to “wipe off our table”，leaving our 20 without being seen.She was about as 21 as w
25、e were about our random act of kindness.We took a napkin and wrote a 22 to the cashier thanking her for helping us help the others.We waited 23 she went to the back room and quickly placed the note，a nice tip，and a Smile Card on the counter，leaving the 24 before we were seen.When we got home my daug
26、hter was 25 excited to tell her mom what we did.I love my date nights with my daughter more than 26 in the world.Whats more，I 27 every moment with her.It is even more special that we 28 our Smile Card adventures together too.9.A.practice B.customC.chance D.interest答案A解析根据首段第一句可知，无论他们去哪里，做一些好事成了一种惯例。
27、practice名词，意为“惯例”。10.A.cold B.hotC.warm D.damp答案B解析根据第一段something cool(凉爽的东西)，同时结合本段最后一句提到进了冰淇淋店可知，这一天天气比较热。11.A.gratitude B.wisdomC.kindness D.courage答案C解析根据首段第二句提到做smile card“微笑卡”等以及结合第四段最后一句act of kindness，可知，这次他们打算做一些充满凉意的善举。12.A.dealt with B.turned downC.argued about D.paid for答案D解析根据our ice cr
28、eam “我们的冰激凌”以及第二段第一句的buy ice cream “买冰激凌”可知，作者在付款的同时告诉店员，他们打算为下一位来这个店消费的顾客付款。13.A.attempt B.honestyC.trust D.intention答案D解析根据第二段首句我们告诉了店员我们想做的事情可知，此处店员了解了作者的意图。intention意为“意图”。14.A.serious B.worriedC.lucky D.anxious答案C解析根据本段第一句可知，作者打算为下一位来这个店消费的顾客付款，在店员看来，这个消费者是幸运的。15.A.spot B.spyC.take D.concentrat
29、e答案B解析根据第二段倒数第二句描述可知，店员非常兴奋，等待那位幸运者，此处是女儿也非常兴奋，想发现这位幸运者。16.A.quietly B.madlyC.perfectly D.strangely答案A解析根据第二段第二句店员知道了我们的意图可知，五分钟后，那位店员“悄悄地”告知我们谁来了。17.A.reached B.searched C.thought D.stuck答案A解析根据第三段提到那位女士买冰激凌可知，那位女士伸手去拿钱包。reach for意为“伸手去拿”。18.A.face B.believeC.bear D.support答案B解析根据第三段倒数第三句“Seriously
30、？”she asked.(她问道“是真的吗”)可知，当店员告诉那位幸运的女士有人想为他们付钱时，她不相信这个店员的话。19.A.shock B.prideC.doubt D.nerve答案C解析根据上面对她不相信此事的描述可知，此处是她怀疑地问道。with doubt意为“迟疑地”。20.A.order B.plateC.bowl D.change答案D解析根据前面描述可知我们为那位女士付款，此处是店员把找的零钱送给我们。21.A.secret B.cautiousC.favorite D.happy答案D解析前面已经提到店员非常兴奋，此处是店员和我们都非常高兴。22.A.note B.sto
31、ryC.report D.diary答案A解析根据后文placed the note(放下了这个便条)可知，此处是我用餐巾纸写了一张便条。23.A.before B.untilC.since D.while答案B解析根据第五段最后一句话可知我们在她看到我们之前就已经离开了，所以此处的语境为：我们等待着直到那位店员进了后屋。24.A.counter B.moneyC.shop D.letter答案C解析根据第一段最后一句话可知，我们进了冰激凌店，此处为在我们被看到之前，我们离开了那家店。25.A.ever B.evenC.just D.still答案D解析照应第二段最后一句话“My daughter was also excited”，故此处女儿依然很兴奋。26.A.something B.anyoneC.anything D.someone答案C解析此处表示我喜欢这样与女儿约定做善举远胜于世界上的一切。27.A.treasure B.desertC.make D.improve答案A解析因为这样的善举意义重大，对我对女儿对他人都有很好的意义可知，我“珍惜”(treasure)我们做这样的善举时在一起的每一刻。28.A.spare B.shareC.experience D.expect答案B解析此处是文章的升华，与女儿分享做好事的一切，这对我而言是非常特殊的事情。