1、第 1 页 共 9 页 Unit 2 课时跟踪练(一) Welcome to the unit & Reading A 级语言知识基础练 .单词拼写 1It is an area where natural disasters (灾难) often happen. 2A truck went out of control and crashed (碰撞) into the back of a bus. 3The policeman scolded the driver for turning without a signal (信号). 4When asked, the young man c
2、onfirmed (证实) that he was going to study abroad next year. 5The couple hugged (拥抱) each other when they heard the exciting news. 6In that area making a complaint is quite a simple procedure (程序). 7Although seriously injured(受伤), he managed to struggle to his feet and moved slowly ahead. .单句语法填空 1She
3、 signalled the car to stop (stop) by raising her hand. 2It was reported that the plane hit a mountain and crashed(crash) yesterday. 3Nancys first reaction to the news was a strange mixture of joy and anger. 4The terrible accident occurred (occur) in this street the other day. 5They are required to p
4、rocess the food that we eat, to recover from injury (injure) and for several other bodily functions. 6As is often the case，the voters are possibly taken advantage of by the organizers for commercial. 7We were discussing the problem when there was a power failure. .选词填空 in case, to ones relief, occur
5、 to, at large, keep ones head, hold on to, safe and sound, a series of 1Luckily, the missing boy returned, safe and sound 2During the interview, the reporter asked me a series of questions. 3It occurred to her that she should adopt this homeless child. 4That could be good news for the world at large
6、 第 2 页 共 9 页 5To my relief, I didnt have to go to the trial. 6 The housewife kept her head and telephoned the fire department immediately.Otherwise the whole house might burn down. 7He held on to the back of the chair to stop himself from falling. 8You probably wont need to callbut take my number, j
7、ust in case .补全句子 1The moment he graduated from college, he applied to be sent to the northwest of China. 他一大学毕业，就申请被派往中国西北部地区。 2I was watching the football match when he came in. 当他走进来的时候我正在看足球赛。 3I wake up every morning, feeling energetic and ready to start a new day 我每天早晨醒来都感到精力充沛，准备开始新的一天。 4It o
8、ccurred to me that I had left my umbrella upstairs. 我突然想起我把伞忘在楼上了。 5The doctor shares his phone number with the patients in case they need medical assistance 医生把电话号码告诉病人以防他们需要医疗帮助。 B 级话题语篇能力练 .阅读理解 A During an earthquake，you should know what to do.If the earthquake strikes while youre inside a house
9、，you should lie on the floor under a strong table or other furniture.If there is no furniture，you can cover your head with your arms and keep still in the corner of the room.You should keep away from windows，glass walls，or anything that can fall. If you are in bed，hold firmly onto your bed and make
10、use of a pillow to safeguard your head.You may use a doorway but only when it is close to you.It should also be considered whether it is strong enough to deal with the load. If you are running out，do not use lifts，even if they work.Electricity may go out at any 第 3 页 共 9 页 time.Many injuries happen
11、when people try to rush out.This means you ought to stay in your house or perhaps wherever you are. When you stay outdoors， you should stay far from buildings， power wires or lights.You should be in the open until the quake stops.Remember that many earthquake deaths outside the house come from falli
12、ng- apart walls，flying glass and other falling things. If an earthquake strikes and you are driving，you should pull up to the side of the highway and stop as quickly as possible.You ought not to stop under trees，buildings or power wires.Dont stop in the middle of the street as it could trouble other
13、s. When trapped，you shouldnt move.Your mouth should be covered with a piece of clothing or a handkerchief.This is because it is possible for you to breathe in some dust.Do not shout whenever possible.You should only shout in the end to get help from rescuers. 语篇解读：本文是一篇说明文。文章主要介绍了当地震发生时，置身于不同情况下的人 们
14、应该如何自救。 1What is the writers purpose in writing this passage? ATo tell us the dangers of an earthquake. BTo tell us what to do before an earthquake. CTo tell us what to do when an earthquake strikes. DTo tell us why running during an earthquake is dangerous. 解析：选 C 写作意图题。通读全文可知，作者介绍了发生地震时，身处不同情况下的 自
15、救措施。故选 C。 2If there is no furniture in the room during an earthquake，you should Alie still on the floor Bstay near the window Cstay in the center of the room Dkeep still in the corner of the room 解析：选 D 细节理解题。根据第一段第二、三句可知，当地震来临时，身处室内的你 应该躲在坚固的桌子或者家具下面，如果没有家具，你应该用手臂护住头，躲在房间的墙角 处。故选 D。 3According to t
16、he passage，during an earthquake，youd better NOT 第 4 页 共 9 页 ause a lift to escape bstay outdoors ccut off electricity dkeep driving to escape Aab Bbc Cad Dcd 解析：选 C 细节理解题。根据第三段和第五段可知，地震来临时，不应该乘电梯，也 不应该驾车逃脱。故选 C。 4What is the last paragraph mainly about? AWhen to call out for help in an earthquake. B
17、What to do when trapped in an earthquake. CHow to make use of a handkerchief in an earthquake. DHow to avoid breathing in some dust in an earthquake. 解析：选 B 段落大意题。最后一段主要介绍了在地震中被困等待救援的过程中，要保 持体力，不要急忙呼叫。故选 B。 B Every year there are hundreds of earthquakes in different parts of the world.In September，
18、1923，Tokyo and Yokohama were both destroyed by an earthquake and the fires that followed it.They had to be completely rebuilt.One of the most serious earthquakes was in Chinas Shaanxi Province in 1556.It killed almost one million people. We measure an earthquakes strength on the Richter Scale.The Ri
19、chter Scale was introduced in 1935 in Southern California in the USA.It measures earthquakes on a scale of one to ten.Any earthquake measuring five or more is usually serious. The earths crust is made up of rock called plates.As these plates move，they sometimes crash (撞) against each other，causing t
20、he crust to quake.In cities such as Tokyo，where small quakes happen quite often，many modern buildings are designed to be flexible so when the earth moves， they move with it. Earthquakes can also break up gas and oil pipes.This can cause fires to break out，which can do as much damage as the earthquak
21、e itself.Another effect of earthquakes is tsunamis (海啸).These 第 5 页 共 9 页 are huge waves created by earthquakes beneath the sea.They can be many metres high and cause great damage to coastal towns and cities.China，Japan，Russia and the USA have the highest occurrence (发生) of earthquakes in the world.
22、 语篇解读：本文是一篇说明文。文章主要介绍了地震这种自然灾害。 5The passage is mainly about Ascientists who study earthquakes Ba usual natural disaster Cthe way of measuring earthquakes Dwhat people should do in earthquakes 解析：选 B 主旨大意题。本文主要介绍了地震这种自然灾害，在世界各地，每年都会 发生成百上千次的地震，故选 B。 6Earthquakes Ahappen all over the world Bare not s
23、erious Cmost possibly happen in Japan Ddont cause much damage 解析：选 A 细节理解题。通过全文以及根据常识可知，B、C、D 三项错误，根据第一 段第一句“Every year there are hundreds of earthquakes in different parts of the world.”可知， 故选 A。 7According to the passage, we know that tsunamis Acan cause earthquakes Bcan be caused by earthquakes C
24、only happen on land Dare a way of measuring earthquakes 解析：选 B 细节理解题。根据最后一段第三句“Another effect of earthquakes is tsunamis (海啸).”可知，故选 B。 C Scientists know where earthquakes are likely to take place.But it is difficult for them to predict how strong an earthquake will be.Now，American researchers have
25、found it possible to predict the 第 6 页 共 9 页 strength of future quakes. The earths crust the outermost surface is made up of large plates.As many as 20 plates cover the earth.They move slowly，sometimes sliding under one another and causing the earthquakes. Timothy HDixon is a geologist (地质学家) in the
26、 University of South Florida，who studies rocks and soil to understand the earth.He and other scientists are using global positioning system， or GPS，to measure what he calls “slowslip” events. Timothy Dixon says that while people cant feel a building breaking off，sometimes deadly earthquakes will hap
27、pen.The big Japan earthquake in 2011 and the Sumatra earthquake and tsunami in 2004 are the kind，and they are the real killers.So what we think these slowslip events are telling us is that theyre letting off steam in areas where there is a break.And if they let off enough steam，the areas wont crack.
28、“The more of the areas that break， ” he says， “the more powerful the earthquake is.” The scientists set up a number of GPS receivers 15 years ago in Costa Rica to measure the “slow- slip” events，which take place only every year or two.The last one was three months before an earthquake in 2012. You k
29、now an earthquake is more or less inevitablePeople always want to know when an earthquake is going to happen.This technology cannot predict that.But Timothy Dixon says even if you dont know exactly when its going to happen，since you know its going to happen，and you know how big its going to be，you c
30、an prepare accordingly. 语篇解读：本文是一篇说明文。科学家知道地震在哪里发生，但他们很难预测地震的强 度。现在研究人员发现有可能预测未来地震的强度。 8According to the passage，what can scientists predict about earthquakes at present? AWhen an earthquake will happen. BWhere an earthquake may happen. CHow strong an earthquake will be. DWhat kind of the earthquake
31、 will be. 解析：选 B 细节理解题。根据第一段第一、二句“Scientists know where earthquakes are likely to take place.But it is difficult for them to predict how strong an earthquake will be.”可知， 科 第 7 页 共 9 页 学家知道地震可能在什么地方发生，但是很难预测地震的强度。故选 B。 9What does the underlined word “inevitable” in the last paragraph mean? AUnavoida
32、ble. BUnpredictable. CPowerful. DTerrible. 解析：选 A 词义猜测题。根据最后一段的语境，可以猜测画线词意为“难以避免的”， 故选 A。 10From Timothy Dixons words，what can we know? AWe cant predict when an earthquake happens forever. BHis new findings will prevent earthquakes happening. CHis new findings will help people reduce damage caused b
33、y earthquake. DHis new findings have been used in researching earthquakes. 解析：选 C 推理判断题。根据最后一段中的“But Timothy Dixon says even if you dont know exactly when its going to happen， since you know its going to happen， and you know how big its going to be，you can prepare accordingly.”可知，Timothy Dixon 说：“人们
34、无法确切 地知道地震什么时候发生，但是只要知道它会发生就可以相应地做好准备从而减轻损失。” 故选 C。 11What is the purpose of the author in writing this passage? ATo tell us the reason why an earthquake can happen. BTo tell us that the strength of an earthquake can be predicted in the future. CTo tell us what Timothy HDixon is doing in his spare t
35、ime. DTo tell us the advantage of knowing the strength of future earthquakes. 解析：选 B 写作意图题。根据全文内容可知，本文主要是想告诉读者一个科学新发现， 即在未来可以预测出地震的强度。 .阅读七选五 We all know the danger of fires.Its good and necessary for a family to learn how to prepare for a fire.Here are some suggestions. Put a smoke alarm (烟雾警报器) in
36、 the house.Smoke from a fire causes the alarm to go off.The alarm makes a loud sound. 1 Make escape plans.We should know all the ways out of the house. 2 Part of the plan is to check all the windows to make sure they can be opened easily. 第 8 页 共 9 页 Buy fire extinguishers (灭火器) in the house.Everyon
37、e in the family should know how to use them. 3 We do fire practice because we teach children about fire safety.Everyone in the family should know the following fire rules： Dont open a hot door！The fire can grow more quickly if you open the door. Stay close to the floor！Smoke can be more dangerous th
38、an fire. 4 What will you do if your hair or clothes start to burn？First， stop！ Dont run！ The fire burns faster because of more air.Drop！Fall to the floor.Then roll！ 5 Put a blanket (毯子) around you to keep air away from the fire that may still be on you. There are many possible causes for fires.A wis
39、e family is ready all the time.If there is a fire， dont forget to call 119 for help. APractise for a fire. BTurning over and over will make the fire go out. CThe best air is near the floor because smoke rises. DThe sound tells everyone to leave the house at once. EIf there is a fire，everyone follows
40、 the plan to get out. FWhen a smoke alarm rings at home，it means you should get up. GLearning something about fire safety is necessary for all parents. 语篇解读：本文是一篇说明文。文章就如何应对火灾给我们提出了几点建议。 1选 D 根据本段内容可知，空处说的应该是烟雾警报器的作用。如果房间内有烟雾的 话，警报器就会发出声音，这种声音能够警示屋内的人要马上离开房间，故选 D。 2选 E 根据本段首句“Make escape plans.”可知，我
41、们要制订逃生计划。一旦有火灾 发生，我们就可以按照计划逃出去，故选 E。 3选 A 根据空后的句子“We do fire practice because we teach children about fire safety.” 可知，空处内容应和消防演练有关，故选 A。 4选 C 根据空前的句子“Stay close to the floor！”可知，火灾发生时，要使自己靠近 地面。由此可以推断，此处应是这样做的原因：因为烟往上升，所以地面附近的空气最好， 故选 C。 5选 B 根据本段内容可知，空处讲述的应该是头发或衣服着火后的应对方法。选项 第 9 页 共 9 页 B(在地上不断地翻滚，火就会熄灭。)符合语境，故选 B。
