1、课时作业(七)Unit 2Working the landSection Learning about Language & Using Language(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1The result of the research is that the risk of the program to be carried out is_(reduce)答案：reduced2His magic is _(confuse)，and I can never figure out how he made the plane disappear.答案：confus
2、ing3The story tells us that the_(discover) of fire was one of the biggest inventions of man.答案：discovery4We welcome_(comment) and suggestions from readers，and we look forward to hearing what you think of this new product.答案：comments5The young man often does some exercise to build _ his body.答案：up6Or
3、ganic farming will keep the soil rich and free_ disease.答案：of7The old man stood there with his eyes _ (focus) on the picture.答案：focused8Marty _(work) really hard on his book and he thinks hell have finished it by Friday.答案：has been working9As we all know，it is human activity that_(lead) to the globa
4、l warming.答案：leads10Without the help of the modern_(equip)，these experiments would not be performed smoothly.答案：equipment.阅读理解ACamberwell College Swimming PoolsCamberwell College of Arts has one 50m (Olympic sized)pool with a depth of 2m throughout，and one 25m pool with a lm shallow (浅的) end and a 4
5、m deep end.Both pools may be used by the general public at certain times.50m PoolThe pool is often used for classes，but the general public may use two lanes (泳道) for lane swimming at the following times.Monday: 06：3011：30 and 19：0021：00Tuesday: 06：3011：30 and 18：0021：00Wednesday：06：3013：30 and 17：30
6、21：30Thursday：06：3013：30Friday：06：3013：30Weekends：09：0017：00Children under the age of 14 must be accompanied by an adult.Please note that during College holidays，these times will be different.Call 04837 393560 for uptodate information.25m PoolThe 25m pool is available for recreational (nonlane) swim
7、ming from 07：0009：00 and 12：3013：30 on weekdays，and 10：0016：00 on Saturdays.Children aged 12 and under must be accompanied.We regret that the 25m pool will be closed for redecoration between 21st July and 18th August.The mens changing rooms will be closed for the week beginning 19th August，and the w
8、omens changing rooms will be closed the following week.Alternative (可选用的) changing rooms will be made available.Were sorry for this.语篇解读本文是应用文。文章主要介绍了坎伯韦尔艺术学院的泳池对外开放的时间等信息。1When can the general public use the 50m pool on Sundays?A06：30.B13：30.C18：00. D21：00.解析：细节理解题。根据50m Pool部分介绍该泳池周末的开放时间Weekends：
9、09：0017：00可知，B项在此时间范围内。答案：B2What do we know about the 50m pool?AIts 4 meters deep.BIts usually used for teaching.CIts unsuitable for children under 14.DIts unavailable during College holidays.解析：细节理解题。根据50m Pool部分中的“The pool is often used for classes”可知，该泳池通常用于教学。答案：B3The 25m pool will be closed_.Ao
10、n 19th August Bon 26th AugustCfor a week Dfor about a month解析：细节理解题。根据最后一段中的“We regret that the 25m pool will be closed for redecoration between 21st July and 18th August”可知，25米的泳池将关闭一个月左右。答案：DBThe National Pass walking track is in the Blue Mountains National Park，one of the most wellknown national
11、parks in Australia.It is near Wentworth Falls，which is around 100 kilometres from Sydney (the largest city in Australia)It is a circular walking track of 4.4 km.It includes a 709 m climb and takes around 3.5 hours to complete.Though the transport is not perfect，the National Pass can be readily reach
12、ed by car or train.The Grand Stairway is an unforgettable part of the National Pass.This is a zigzag stairway (which looks like a line of Zs joined together) with 173 steps.It has been described as the tallest outdoor stairway in Australia.The Grand Stairway provides a way to the valley below Wentwo
13、rth Falls.It was built around 1906 by workers who used all kinds of different tools.Along a great part of this track is the amazing waterfalls which hikers (远足者) pass by，through，and over.These include the Empress Falls.This is a wonderful waterfall in the Valley of the Waters.It goes down a series o
14、f rocks to a pool.There are stepping stones for hikers to cross the falls and some shady spots where tired travelers can rest.In 2002 the National Parks and Wildlife Service started repair work on the National Pass.This work took several years and the project was awarded recognition from UNESCO (Uni
15、ted Nations Educational，Scientific and Cultural Organization) and the National Trust of Australia.It is worthwhile to choose a guided tour package for the National Pass.The walk costs around $135 per person and requires good health and physical condition.It takes the hiker through valleys，thick fore
16、sts and ends with a lovely picnic lunch.语篇解读 本文是说明文。文章介绍了澳洲蓝山国家公园的国家山口步行小道。 4What do we learn about the National Pass?AYou can finish it in one or two hours.BIt is a track that is close to Sydney.CYou can get there on foot only.DIt ends where it begins.解析：细节理解题。由第一段中的“It is a circular walking track
17、of 4.4 km”可知，国家山口步行小道是一条环形路线。 答案：D5Which of the following best describes the Grand Stairway?AIt is under the valley below Wentworth Falls.BIt was built with the help of UNESCO.CIt is the longest stairway in Australia.DIt has a history of over one century.解析：细节理解题。由第二段末“It was built around 1906 by wo
18、rkers who used all kinds of different tools”可知，大阶梯有一百多年的历史了。 答案：D6What will be exciting for a traveler?AThe clear pools near the track.BThe waterfalls along the track.CThe traditional native culture.DThe beautiful rocks on the mountains.解析：细节理解题。由第三段中的“Along a great part of this track is the amazing
19、 waterfalls which hikers pass by，through，and over”可知，一路上的瀑布会让旅行者感到激动。答案：B7What should hikers know about the track?AThey must be strong enough to walk it.BSome parts of it are quite dangerous.CIt is being repaired at the moment.DMeals are sold during the walk.解析：推理判断题。由最后一段中的“requires good health and
20、 physical condition”可知，步行者应该知道，他们必须足够强壮才能完成这里的旅行。答案：A.七选五According to medical experts，people do not need food as much as they need water.If you are in good physical shape，you are likely to survive longer.In fact，the body stores fat and other forms of energy.The fatter you are，the more fat your body
21、can store._1_The survival time without food also depends on how fast a person burns food.Those who use up food energy faster will probably not survive as long as those who burn food energy more slowly.Climate also plays an important role in it._2_ However，hot climate allows you to go on longer witho
22、ut replacing food._3_ It may lead to physical weakness or confusion.After many weeks without food，your body organs can fail one after another.Even so，people can still survive without food for up to two months as long as they have enough to drink.However，living without water can be a very different s
23、tory.Every minute，we lose water through breathing and other activities.The water that our bodies lose must be replaced so that our organs can work properly._4_ Otherwise，we may suffer a heat stroke (中暑)Dehydration (严重脱水) can lead to many illnesses.In the beginning，you may just suffer a dry mouth or
24、a fast heartbeat._5_ Therefore，you should never go on without water for a day or more.AWater helps us cool down in the heat.BHowever，we cant live long without water.CThat is why fatter people can survive longer.DCold weather makes you use up more energy.EEating too much is not necessary in our daily
25、 life.FBut a few weeks later，you may be in a state of shock.GEating too little causes your body to react in some special ways.语篇解读 本文是一篇说明文。文章主要指出了相比于食物，人们存活更需要水。人们体内可以存储一些脂肪和能量备用，而呼吸和其它身体活动却随时随地在消耗人们体内的水分。1解析：此空设于段尾，与上文存在逻辑上的指代关系。本句中的That指代的是前一句中提到的The fatter you are，the more fat your body can stor
26、e. 答案：C2解析：此空设于段中，是对前一句的进一步解释。此句和后一句都是对前一句的进一步解释。前一句指出，气候在人们存活的过程中扮演着很重要的角色，此句和后一句分别提出冷天气和炎热的气候是如何具体影响的。答案：D3解析：此空设于段首，是本段的主题句。此句提出，吃的太少会使身体作出一些特殊的反应。接着后文再具体描述这些反应。答案：G4解析：此空设于段中，与后文存在转折关系。本段主要是讲缺水可能会带来的后果。后一句句意为：否则，我们可能会中暑。可推测，此句是提出水可以使我们在炎热的天气下凉快下来。答案：A5解析：此空设于段中，是对第一句的进一步解释。第一句指出，严重脱水可以导致很多疾病，而前一句提出了刚开始的后果，所以可推测，此句是表明几周后，你可能会处于休克状态。答案：F
