1、课时作业(一)Unit 1Great scientistsSection Warming up & ReadingLanguage points(本栏目内容，在学生用书中以独立形式分册装订！).单句语法填空1When I opened the door，I found my father sitting in his chair，completely_(absorb) in the humorous stories he was reading.答案：absorbed2Emily fely very sad that she was suspected_providing false stat
2、ements in court.答案：of3The professor is rich in knowledge and humorous，so we all like_(attend) his lecture.答案：to attend4Although the medicine can cure you_your illness，it has a bad effect_you.答案：of；on5The researchers drew a_(conclude) from the study that regular family dinners helped improve the rela
3、tionship between family members.答案：conclusion6_(scientific) has taught us how atoms are made up.答案：Science7Teaching young children is a_(challenge) job.答案：challenging8Please_(analysis) the case according to the fact.答案：analyse9I tried to follow her_(instruct)，but I got confused.答案：instructions10The
4、talks are continuing，but no_(announce) are expected at this time.答案：announcement.完成句子1_，they would talk long hours together.他们每次见面都会谈论很长时间。答案：Each time they met2Bill wasnt happy about the delay of the report by Jason，and_.Bill对Jason做推迟提交报告这件事表示不高兴，我也不高兴。答案：neither was I3It was proved that drunkdrivi
5、ng_ the death of five people in Nanjing.据证实醉酒驾驶是导致南京五人死亡的原因。答案：was to blame for4We should combine our efforts to make sure our children _.我们应该共同努力，确保孩子不会接触到不良的生活环境。答案：are not exposed to bad living conditions5Not knowing what was wrong with his car，Martin decided to send for an experienced man _.不知道汽
6、车出了什么故障，马丁决定派人去请个有经验的人来处理这个问题。答案：to handle the problem6Keeping prices from going up too sharply is _ as well as the whole world.阻止物价过快上涨对中国和全世界来说是个挑战。答案：a challenge to China7It was that incident that_carelessness.正是那件事使她改掉了粗心的毛病。答案：cured her of8The manager_at the meeting yesterday.昨天经理在会上提出了新的计划。答案：
7、put forward a new plan.课文缩写语法填空John Snow，a wellknown doctor in London，became _(inspire) when he thought about helping ordinary people _(expose) to cholera，a _(die) disease of its day.Many thousands of people died _there was an outbreak because no one knew the cause of it.John wanted to help solve th
8、e problem.He got interested in two theories _(explain) how cholera killed people.He believed in the second theory _suggested that people _(absorb) the disease with their meals.In 1854，when another outbreak hit London，he was ready to test _two theories._the help of the map he made，he got a valuable c
9、lue about the cause of the disease and was able to announce that the water was _ (blame)“King Cholera” was finally defeated.答案：inspiredexposeddeadlywheneverexplainingthatabsorbedtheWithto blame.完形填空A few years ago，I had a long way to get home from work.One morning I was on my way home and was very_1
10、_after working 12 hours at night.I _2_ at a restaurant to have _3_.It was really a truck stop and I was the only customer.Right after I placed my order I saw a man come in.He was_4_a small bag.Perhaps he had seen better times，but there was no sign of any_5_times now.He reached in his pocket and _6_s
11、ome change.He asked the waitress if 38 cents was _7_to buy a cup of coffee.She looked at his hand and said，“Of course.Have a _8_.” (Coffee was 50 cents a cup at the time.) It really_9_ me how she had tried to help him to _10_ his pride and how he had not asked for any charity.Shortly before my food
12、came，I_11_the waitress to come over.I said，“You know，I am not feeling well.I dont_12_I am going to be able to eat my breakfast.Do you think there is anyone here who might eat it？” She first asked_13_I was OK and then she understood.She said，“I think so.Are you sure？” I told her that I was _14_.She t
13、hen walked over to the gentleman and told him that I had_15_food and it was too _16_ to stop the order but I didnt feel like eating.She asked if he would be so_17_as to take it so that they wouldnt have to _18_it in the dustbin.I walked to_19_the meal，bought a gift card and asked them to _20_it to t
14、he gentleman after I left.This mans quiet dignity (尊严) touched me in ways that I dont even fully understand.语篇解读本文是记叙文。文章讲述了作者被服务员的举动所感动进而帮助别人的故事。1A.boredBexcited Ctired Dworried解析：由下文中的working 12 hours at night可知，作者非常“累(tired)”。答案：C2A.stayed Blooked Cstopped Dappeared解析：由下文中的a truck stop可知，作者“停在(st
15、opped)”了一家餐厅。答案：C3A.breakfast Bsupper Cwater Dcoffee解析：由上文中的after working 12 hours at night及下文中的be able to eat my breakfast可知此处指的是吃“早饭(breakfast)”。答案：A4A.leaving Bcarrying Cbuying Dbringing解析：他“携带(carrying)”着一个小包。答案：B5A.difficult BfreeClonely Dgood解析：由上文中的had seen better times及下文该男子没钱这一事实可判断，他看上去日子过
16、得不“好(good)”。答案：D6A.took out Btook off Ctook over Dtook up解析：由下文中的38 cents可知，他伸进口袋“拿出(took out)”一些零钱。答案：A7A.necessaryBexpensive Cenough Dright解析：由下文中的Coffee was 50 cents a cup at the time可知，他问服务员38美分是否“够(enough)”买一杯咖啡。答案：C8A.chance BtryCcentDseat解析：根据Of course可知，服务员让他先“坐下(seat)”。答案：D9A.moved Bsurpris
17、edCencouraged Dsatisfied答案：B10A.keep B hurt Cbreak Dfeel解析：由上文中的38 cents和Coffee was 50 cents a cup at the time可知，虽然这个人的钱不够买一杯咖啡，但服务员还是让他坐下了，这让作者很“吃惊(surprised)”，因为服务员在试图“维护(keep)”这个人的尊严。答案：A11A expected Bwarned Cwanted Dcalled解析：由下文中作者与服务员的对话可知，作者“叫(called)”服务员过来。答案：D12A.suggest Bhope Crealize Dthin
18、k解析：由下文中的Do you think there is anyone here who might eat it可知，作者“觉得(think)”他吃不成早饭了。答案：D13A.if Buntil Cas Dafter解析：由上文中的I am not feeling well和下文中的then she understood可知，服务员刚开始没明白作者的意思，询问作者“有没有(if)”事。答案：A14A.sure Bhappy Cfull DOK解析：由上文中的Are you sure可知，作者说他很“确定(sure)”。答案：A15A.finished Bordered Ccooked D
19、provided解析：由上文中的I placed my order可知选ordered。答案：B16A.lazy Blate Cimpolite Dhard答案：B17A.seriousBgenerous Ckind Dlucky解析：由下文中的take it可知，服务员告诉男子已经太“晚(late)”，无法取消订餐，问他是否可以出于“好心(kind)”把那份早餐吃掉。答案：C18A.lose Bthrow Cpick Dhide解析：由下文中的dustbin可知，这样的话，他们就不用把那份早餐“扔进(throw)”垃圾桶里了。答案：B19A.have Bshare Cpay for Dsea
20、rch for解析：早餐是作者点的，他当然要去“结账(pay for)”。答案：C20A.post Boffer Cshow Dgive解析：作者让服务员在他走之后把礼物卡“给(give)”了那个人。答案：D.阅读理解The worlds smallest known animal with a backbone (脊椎) is a frog the size of a housefly，a new study says.At 7.7 mm long，the newfound frog is a little smaller than the previous (先前的) record hol
21、der，a fish，which measures about 7.9 mm.Scientist Christopher Austin and his student Eric Rittmeyer discovered the little frog during a trip to Papua New Guinea to study animals and plants on the island.They happened to find the worlds smallest frog.“This frog has a call that doesnt sound like a frog
22、 at all.It sounds like an insect，” said Austin.The calls were coming from all around them，and it took the two researchers a while to find out that the sounds were coming from the ground.They thought they would find an insect.What they got instead surprised them.“We found it by putting a whole handfu
23、l of leaves into a clear plastic bag and going through it carefully until we saw that small frog jump off one of those leaves，” said Austin.The frogs can jump 30 times their own length.When Austin brought the camera to his eyes，the subject would often already be gone.After jumping around for some ti
24、me，the frogs stopped long enough for Austin to take photos.Even so，he had to enlarge the photos in order to describe the new species.The scientists also found another new little frog species in New Guinea.Austin said that they found 20 species unknown before on the island of New Guinea.It was a uniq
25、ue experience，but both scientists agree that finding the smallest frog isnt the most important discovery.Instead，it is important to find tiny frogs have much in common.Almost all the tiny frogs，at least 29 species worldwide，are hidden in the wet leaves on tropical (热带的) forest floors.This helps prot
26、ect the frogs.Small size increases the risk of drying out，which would kill the frogs.In addition，they eat creatures that other frogs dont eat.语篇解读本文是说明文。科学家发现了世界上最小的脊椎动物小青蛙。1What do we know about the two researchers trip to the island?AThey just happened to pass there.BThey found 29 new species of f
27、rogs.CThey didnt expect to find such a tiny frog.DTheir most important finding was the tiny frog.解析：细节理解题。由第二段中的They happened to find the worlds smallest frog可知C项正确。答案：C2According to Austin，taking pictures of the frog was very_.AinterestingBboringCamazing Dchallenging解析：推理判断题。由倒数第三段中的When Austin bro
28、ught the camera to his eyes，the subject would often already be gone可知，给小青蛙拍照很不容易。答案：D3It is implied in the last paragraph that tiny frogs_.Aare struggling to surviveBprefer to live in a wet habitatCare unique to New GuineaDdiffer greatly from each other解析：推理判断题。由最后一段中的Almost all the tiny frogs.are hidden in the wet leaves on tropical forest floors可知，小青蛙喜欢在潮湿的地方栖息。答案：B4The purpose of the text is to_.Areport on a recent findBintroduce some tiny frogsCshare a traveling experienceDcall on readers to protect nature解析：推理判断题。本文是一则新闻，科学家新发现的小青蛙是世界上最小的脊椎动物。答案：A
