1、课时作业 Unit 1 Great scientistsSection Warming up & ReadingLanguage points.单句语法填空1 When I opened the door，I found my father sitting in his chair，completely_(absorb) in the humorous stories he was reading.2 Emily fely very sad that she was suspected_providing false statements in court.3 The professor is
2、 rich in knowledge and humorous，so we all like_(attend) his lecture.4 Although the medicine can cure you_your illness，it has a bad effect_you.5 The researchers drew a_(conclude) from the study that regular family dinners helped improve the relationship between family members.6 _(scientific) has taug
3、ht us how atoms are made up.7 Teaching young children is a_(challenge) job.8 Please_(analysis) the case according to the fact.9 I tried to follow her_(instruct)，but I got confused.10 The 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
4、次见面都会谈论很长时间。2 Bill 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。3 It 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。4 We 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。5 Not knowing
5、 what was wrong with 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。6 Keeping 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。7 It was that incident that_carelessness.正是那件事使她改掉了粗心的毛病。8 The manager_at the meeting yester
6、day.昨天经理在会上提出了新的计划。.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 the p
7、roblem.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 clue
8、 about the cause of the 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 wa
9、s 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_some change.He asked the waitress if 38 cents was _7_to buy a cup of coff
10、ee.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 came，I_11_the waitress to come over.I said， “You know，I am not feeling
11、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 then walked over to the gentleman and told him that I had_15_food and
12、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 the gentleman after I left.This mans quiet dignity (尊严) touched me in
13、ways that I dont even fully understand.1 A.bored Bexcited C tired Dworried2 A.stayed BlookedC stopped Dappeared3 A.breakfast Bsupper C water Dcoffee4 A.leaving BcarryingCbuying Dbringing5 A.difficult BfreeC lonely Dgood6 A.took out Btook off C took over Dtook up7 A.necessary BexpensiveC enough Drigh
14、t8 A.chance BtryC cent Dseat9 A.moved BsurprisedC encouraged Dsatisfied10 A.keep B hurt C break Dfeel11 A expected Bwarned C wanted Dcalled12 A.suggest Bhope C realize Dthink13 A.if Buntil C as Dafter14 A.sure Bhappy C full DOK15 A.finished Bordered C cooked Dprovided16 A.lazy Blate C impolite Dhard
15、17 A.serious Bgenerous C kind Dlucky18 A.lose Bthrow C pick Dhide19 A.have Bshare C pay for Dsearch for20 A.post Boffer C show 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 t
16、he previous (先前的) record holder，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 t
17、hat doesnt sound like a frog 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
18、 it by putting a whole handful 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.Af
19、ter jumping around for some time，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 isla
20、nd of New Guinea.It was a unique 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)
21、 forest floors.This helps protect 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.1 What do we know about the two researchers trip to the island?AThey just happened to pass there.BThey found 29 new species of f
22、rogs.C They didnt expect to find such a tiny frog.DTheir most important finding was the tiny frog.2 According to Austin，taking pictures of the frog was very_.Ainteresting BboringC amazing Dchallenging3 It is implied in the last paragraph that tiny frogs_.Aare struggling to surviveBprefer to live in a wet habitatC are unique to New GuineaDdiffer greatly from each other4 The purpose of the text is to_.Areport on a recent findBintroduce some tiny frogsC share a traveling experienceDcall on readers to protect nature
