1、 课时作业(十九)必修4Module 1 Life in the Future(限时：35分钟). 阅读理解 It is almost like a reflex(条件反射) whenever we have a runny nose or a cough we reach for the antibiotics(抗生素). But maybe you should think twice before you start taking those pills next time you have got a bit of a cold. Many doctors warn that we a
2、re overusing and sometimes misusing antibiotics to treat common diseases. This could have bad results.Across the world, the problem of antibiotics is growing, and the situation is especially bad in China. The average amount of antibiotics each Chinese person takes every year is almost three times th
3、e international level and ten times the level in the United States, Xiao Yonghong, a professor in Beijing University, told the Guangming Daily on October 19.It is a common wrong idea that antibiotics work for all diseases right down to everyday coughs and colds. In fact, antibiotics only work agains
4、t bacteria, and not viruses. Most forms of the common cold and flu are caused by viruses, so antibiotics are useless against them.The process of curing a disease is like a war. Antibiotics kill many kinds of bacteria which make you sick, but sometimes they also get “confused” and kill antibodies(抗体)
5、 in your body that should be helping to kill viruses.Sometimes the enemy bacteria may change themselves in order to fight back. When antibiotics are used wrongly or too often, the bacteria can develop faster. This worsens the infection and makes it harder to treat. Because of resistance to antibioti
6、cs, once treatable diseases are becoming fatal(致命的) again.In recent years, different kinds of “superbugs” have been showing themselves in many parts of the world. They can avoid any antibiotics we have and have caused many deaths.Since penicillin(青霉素) was discovered by Alexander Fleming in 1929, it
7、has saved many lives worldwide. Before this discovery was made, even infections in small cuts could kill. However, overuse or misuse of this “lifesaving” medicine could mean antibiotics turn against us in the war against disease.1What is the main purpose of the first paragraph?ATo inform readers tha
8、t antibiotics are useful in treating diseases.BTo warn readers of the dangers of antibiotics used improperly.CTo explain the serious situation of antibiotics misuse in China.DTo report on the invention of new antibiotics in the world.2In the war of curing a disease _.Aantibiotics defeat antibodiesBa
9、ntibiotics kill bacteriaCantibodies help virusesDbacteria change themselves3Which of the following statements is TRUE according to the passage?AAntibiotics work against all kinds of everyday coughs and colds.BLarge amounts of antibiotics are needed to kill “superbugs”CPenicillin is considered to be
10、the best ever antibiotic in history.DBacteria may become resistant to antibiotics and develop faster.4What can we learn from the passage?AAntibiotics are the best to kill colds.BAntibiotics never fight against antibodies.CThe misuse of antibiotics could lead to death.DThe use of antibiotics should b
11、e forbidden.完形填空My ears are recently full of joyous remarks from my friends such as, “Oh, Beckham is so handsome, so cool, that I cant help falling in love with him！” or “What perfect skills he has！” Yeah, I _5_ to some degree, though I sometimes do want to _6_ them how much they know about Beckham,
12、 apart from his _7_ and how much they know about football apart from _8_ goals. However, it seems funny that we are _9_ for things, with which we are unfamiliar or about which we are _10_， but we all, my friends as well as I, consider this one of lifes _11_.We need these pleasures to _12_ our lives.
13、 But that doesnt _13_ to craziness or nonsense. As an old saying goes, “Dont judge a book by its cover.” We _14_ not judge anything from its appearance. We should all know, it is ones good _15_ and great contribution that make one a star and unforgettable. Therefore, wed better say _16_ about Beckha
14、ms good looks.If we close our eyes, falling in deep _17_， we can find that the things that move us to be really happy or sad have a _18_ meaning. If we dont go deeper and are just satisfied with _19_ things, sooner or later we will find that we have not really gained anything because our first _20_
15、has blinded and misled us, and well remain ignorant (无知的) _21_ we realize that and make some changes.It is believed that thinking and going deeper than before is a _22_ of great progress. If one day we are willing to go deeper into everything, no matter how much it _23_ us, we will finally prove how
16、 much we have _24_ up, how much more sensible, mature, and intelligent we have become. 5A.like BagreeChope Dthink6A.ask BtellCteach Ddoubt7A.skills BfameCteam Dappearance 8A.knocking BhittingCscoring Dcontrolling9A.thankful BcrazyCcurious Danxious10A.uncertain BunhappyCdisappointed Dcareful11A.aims
17、BqualitiesCpleasures Dtruths12A.keep up Bbrighten upCfind out Dbring about13A.appear BreachCamount Draise14A.dared BwouldCcould Dshould15A.thinking BcharacterClooks Dabilities16A.more BsomethingCless Dnothing17A.love BsleepCsense Dthought18A.clear BpuzzlingCmoving Dvaluable19A.material BdeepCsurface
18、 Dpleasant20A.conclusion BexperienceClesson Dimpression21A.since BalthoughCunless Dbefore 22A.sign BcauseCvalue Dwillingness23A.worries BpainsCsatisfies Doffers24A.given BsentCbuilt Dgrown .语法填空W: So, youre going back to the United States tomorrow.M: Yes, thats correct. Im flying home.W: Im afraid o
19、f _25_(fly). Are you?M: No, flying _26_(be) fine with me. W: Thats great. Er, back home, do you fly quite often for your job?M: No, I go to work by bus and drive _27_ different business _28_(appoint), but sometimes I _29_the train to go to the business conferences in other cities or things like _30_
20、.W: I see. So tomorrow you will have a really long flight.M: Yes, _31_(terrible) long.W: Its probably 15 or 16 hours, I suppose.M: Mmm, from Shanghai to Boston, mmm, let me see, it is about 18 hours in the air.W: So _32_ do you spend the time on the plane? M: I like to sleep as much as _33_. W: OK,
21、do you take medicine or just have a beer or？M: No, no, I dont take _34_medicine. I tend to stay up late the day before, so that Im tired and I want a sleep on the plane.W: Thats a good idea. And I hope you have a good flight.M: Thank you very much. 25_26._27._28._29._30_31._32._33._34._课时作业(十九).1.B2.B3.D4.C.5.B6.A7.D8.C9.B10.A11.C12.B13C14.D15.B16.C17.D18.A19.C20.D21.C22.A23.B24.D.25.flying26.is27.to28.appointments29.take 30that31.terribly32.how33.possible34.any