1、课时作业Unit 1Great scientistsSection Warming up & ReadingLanguage points.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.2Emily fely very sad that she was suspected_providing false statements in court.3The professor is rich
2、 in knowledge and humorous，so we all like_(attend) his lecture.4Although the medicine can cure you_your illness，it has a bad effect_you.5The researchers drew a_(conclude) from the study that regular family dinners helped improve the relationship between family members.6_(scientific) has taught us ho
3、w atoms are made up.7Teaching young children is a_(challenge) job.8Please_(analysis) the case according to the fact.9I tried to follow her_(instruct)，but I got confused.10The talks are continuing，but no_(announce) are expected at this time.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。2B
4、ill 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。3It was proved that drunkdriving_ 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。4We 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。5Not knowing what was wrong with
5、his car，Martin decided to send for an experienced man _.不知道汽车出了什么故障，马丁决定派人去请个有经验的人来处理这个问题。6Keeping 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。7It was that incident that_carelessness.正是那件事使她改掉了粗心的毛病。8The manager_at the meeting yesterday.昨天经理在会上提出了新的计划。.课文缩写
6、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 the problem.He got interested
7、 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 clue about the cause of the
8、disease and was able to announce that the water was _ (blame)“King Cholera” was finally defeated.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_after working 12 hours at night.I _2_ at a restaurant to have _3_.It was really a truck stop and
9、 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_some change.He asked the waitress if 38 cents was _7_to buy a cup of coffee.She looked at his hand
10、 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 came，I_11_the waitress to come over.I said，“You know，I am not feeling well.I dont_12_I am going t
11、o 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 then walked over to the gentleman and told him that I had_15_food and it was too _16_ to stop the
12、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 the gentleman after I left.This mans quiet dignity (尊严) touched me in ways that I dont even fully
13、understand.1A.boredBexcited Ctired Dworried2A.stayed Blooked Cstopped Dappeared3A.breakfast Bsupper Cwater Dcoffee4A.leaving Bcarrying Cbuying Dbringing5A.difficult BfreeClonely Dgood6A.took out Btook off Ctook over Dtook up7A.necessaryBexpensive Cenough Dright8A.chance BtryCcentDseat9A.moved Bsurpr
14、isedCencouraged Dsatisfied10A.keep B hurt Cbreak Dfeel11A expected Bwarned Cwanted Dcalled12A.suggest Bhope Crealize Dthink13A.if Buntil Cas Dafter14A.sure Bhappy Cfull DOK15A.finished Bordered Ccooked Dprovided16A.lazy Blate Cimpolite Dhard17A.seriousBgenerous Ckind Dlucky18A.lose Bthrow Cpick Dhid
15、e19A.have Bshare Cpay for Dsearch for20A.post Boffer Cshow Dgive.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 holder，a fish，which measures about 7.9 mm.S
16、cientist 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 at all.It sounds like an insect，” said
17、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 handful of leaves into a clear plastic bag and
18、 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 time，the frogs stopped long enough for Aus
19、tin 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 unique experience，but both scientists agree
20、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 protect the frogs.Small size increases the r
21、isk of drying out，which would kill the frogs.In addition，they eat creatures that other frogs dont eat.1What do we know about the two researchers trip to the island?AThey just happened to pass there.BThey found 29 new species of frogs.CThey didnt expect to find such a tiny frog.DTheir most important
22、finding was the tiny frog.2According to Austin，taking pictures of the frog was very_.AinterestingBboringCamazing Dchallenging3It 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 other4The purpose of the text is to_.Areport on a recent findBintroduce some tiny frogsCshare a traveling experienceDcall on readers to protect nature
