1、Unit 4 Earthquakes lnaguage points 课时作业 .单句语法填空1Not having enough to eat， many people died from_(starve) in the search for the new land.答案： starvation2We should _(analysis) the whole work instead of concentrating only on some single parts; after all，it is well done as a whole.答案： analyse3_that we ca
2、nt get the necessary equipment，we will have to give up the_.(assume)答案： Assuming；assumption4Its impossible to predict the weather with great_(accurate)答案： accuracy5. My pencil is not_； could you lend me a knife to_it？(sharp)答案： sharp；sharpen6. She has kept up physical training for several years with
3、out _(interrupt)答案： interruption7There are many rubber trees in the_(botany) garden which can produce a lot of rubber every year.答案： botanical8His ability to dispose of the_(mess) situation caused by angry people caught the attention of his superior.答案： messy9Its true that we dont know what weve got
4、 until we lose it，but its also true that we dont know what we_(miss) until it arrives.答案： have been missing10. I suggest that the old man _(send) to home at once.答案： should be sent11Are you still waiting to make a phone call?Yes.This woman _(talk) on the phone for the last twenty minutes.答案： has bee
5、n talking12My teacher says shes canceling the class play.I just cant understand.You must be disappointed.You_(look) forward to it.答案： have been looking13Jenny took the 8：00 bus to Guangzhou this morning.Really？She_(take) the 9：00 train.Its much more comfortable and safer to travel by train.答案： could
6、 have taken14We are invited to a party _(hold) in our club next Friday.答案： to be held 15The typhoon lasted nearly three hours，_(cause) great damages to that area.答案： causing.选词填空It is reasonable.，It is a pleasure.，cut up， It is generally assumed that.， interrupt，regardless of，be aware that .，have no
7、 alternative but . , 1Something important happened and I_ it would be vital to our company.答案： was aware that2._stress is caused by too much work.答案： It is generally assumed that3Since the manager was asleep，I thought I had better not_him.答案： interrupt4_the meat on the plate is a great challenge for
8、 him.答案： Cutting up5.It was important to keep him informed_what had happened to the company.答案： regardless of6_to have a cool drink on a hot day.答案： It is a pleasure7As a secretary，I _to wake him up.答案： had no alternative but8_to draw a conclusion that we can survive the situation with his help.答案：
9、It is reasonable.阅读理解The worlds earliest known fish hooks (钩) show that humans fished in the open sea for much longer than previously thought.Past studies have shown that early humans were able to cross the open ocean as far back as 50,000 years ago，but evidence that they could fish while in the ope
10、n sea dated back only to 12,000 years ago.“In most areas of the world，evidence for our early ancestors coastal exploitation was drowned by rising sea level， ” said researcher Sue OConnor.Now OConnor and her colleagues have found evidence of prehistoric fishing tools and the remains of large fish suc
11、h as tuna at a cave shelter known as Jerimalai，located in the Southeast Asian island nation of East Timor.Their discovery uncovered fishing hooks made from bone that date back to about 42,000 years ago.“Its possible that people caught the tuna in the deep channel that lies off the coast of the Jerim
12、alai shelter， ” OConnor said.The site，first uncovered in 2005，also included bone points，shell beads，the remains of fish，turtles ，bats and birds， and nearly 10,000 stone tools.The island of Timor has very few land animals overall and only small birds call the island home，perhaps explaining why the an
13、cient people here went fishing.About half the fish remains at the site came from fish such as tuna.Catching such fastmoving fish requires much planning and complex technology，suggesting that early humans developed these skills earlier than previously thought.Some other scientists might say that most
14、 of the fish bones seen are from young fish，and thus might have been caught more easily off the coast as opposed to in open waters.While this may be the case，its still not easy to catch tunait requires nets set in deep water.语篇解读 新的研究发现把人类开始深海捕鱼的年代提前了 3 万年。1According to Sue OConnor，evidence for our
15、early ancestors coastal exploitation_.Aindicated tuna was a common dish for our early ancestorsBshowed the trend of sea movementCwas buried in cave sheltersDwas difficult to find解析： 推理判断题。根据文章第二段的 was drowned by rising sea level 可知， 远古人沿海探索的痕迹都被上升的海水所淹没，因此证据很难找到。答案： D2Sue OConnors study advanced the
16、 date of humans fishing in the open sea by_.A50,000 years B42,000 yearsC30,000 years D12,000 years解析： 推理判断题。结合文章第一段的 evidence that they could fihs while in the open sea dated back only to 12,000 years ago 和第三段的 Their discovery uncovered fishing hooks made from bone that date back to about 42,000 yea
17、rs ago 可知，OConnor 的发现把人类开始深海捕鱼的年代提前了 3 万年。答案： C3Why did the ancient people on the island of Timor go fishing according to the text?AThe island was too small for the large population.BIt was very easy to catch fish around the island.CThere were few animals on land for food.DPeople there loved eating
18、fish.解析： 推理判断题。根据文章第五段的 The island of Timor has very few land animals overall and only small birds call the island home，perhaps explaining why the ancient people here went fishing 可推 测，这里的陆地动物非常少，所以人 们不得不到海中捕鱼充当食物。答案： C4The text is probably taken from_.Aan official document Ba scientific articleCa n
19、ewspaper ad Da book review解析： 文章出处题。本文是一 项科学发现，故 选 B 项。答案： BScientists recently discovered that pictures on cave walls at Creswell Crags are the oldest known in Great Britain.But they didnt find out in the usual way.Archaeologists often date cave art with a process called radiocarbon dating.The tech
20、nique can measure the age of carbon found in charcoal (木炭) drawings or painted pictures.Carbon is an element found in many things，including charcoal and even people.But in this case，there was no paint or charcoal to test.People carved the pictures of animals and figures into the rock using stone too
21、ls.The scientists had an “aha！” moment when they noticed small rocks stuck to the top of the drawings.The small rocks must have formed after the drawings were made.“It is rare to be able to scientifically date rock art， ” said Alistair Pike，an archaeological scientist at Britains University of Brist
22、ol.“We were very fortunate that some of them were covered by stalagmites (石笋) ”When a test proved that the stalagmites formed 12,800 years ago，the scientists knew the art underneath them had to be at least that old.And some of the animals shown，like the European bison， are now extinctanother tipoff
23、that the art is quite old.The artists came to Creswell Crags.This place is one of the farthest points north reached by our ancient ancestors during the Ice Age.At that time， much of the North Sea was dry，so people could move about more easily.Some tools and bones found there are 13,000 to 15,000 yea
24、rs old.They show that the travellers hunted horses，reindeer，and arctic hare.Their artwork is similar to art in France and Germany.It tells scientists that the Creswell Crags artists must have had a close connection to the people several thousand kilometres awayanother important clue to understanding
25、 how humans spread out across the world.语篇解读 科学家们最近发现了英国最古老的壁画，并试图推测它们的年代、主题等。5. The underlined word “Archaeologists” in Paragraph 2 probably refers to people_.Awho study things left behind by people in the pastBwho have rich experience in paintingCwho are interested in wild animalsDwho are good at
26、using stone tools解析： 词义猜测题。文章的第二段 对 archaeologists 的工作内容做了描述：用放射性碳测定年代。据此可推知，其意思应是“考古学家” 。答案： A6Why do scientists say the art is quite old?AThe animals carved in the stone are strange.BThe art was carved into stone with stone tools.CThe cave is one of the farthest point in the world.DSome pictures w
27、ere covered by stalagmites more than 10,000 years old.解析： 推理判断题。根据第三、四段可知，一些画表面覆盖着的石笋已有 12,800 年的历史，据此科学家推测出此画非常古老。答案： D7What can we learn from the passage?ACarbon is a rare element.BTo date rock art in scientific methods is not very difficult.CSome animals shown on the cave walls at Creswell Crags
28、have died out.DDuring the Ice Age，it was more difficult for people to travel around by land than by sea.解析： 细节理解题。由第四段第二句可知，岩石壁画里的某些动物，如欧洲野牛已经灭绝，所以 C 项 正确。答案： C8Which of the following would be the best title for the passage?ACave art in BritainBCave art found in an unusual wayCCave art proved to be Britains oldestDCave art about animals is most beautiful解析： 标题概括题。本文主要 讲述了已知的英国最古老的壁画，内容包括年代的推测，壁画的主题、特点及其意义等，所以选 C 项。答案： C
