内容正文:
课时分层作业(十四)
Ⅰ.单句语法填空
1.There is one ________ (note) example that I will point out here and describe briefly.
2.After months of ________ (drill),oil was found off the coast.
3.________ unknown is a place or thing that is not known about.
4.A working party has been set up to look ________ the problem.
5.The police are conducting an ________(investigate) into the causes of the accident.
6.A ________ (metre) is a unit for measuring length, which means a 1,000th of a metre.
7.It is a library of over 90,000 ________ (volume).
8.Soil consists of various chemical ________(substance).
Ⅱ.阅读理解
The pillage (掠夺) and destruction of ancient shipwrecks and sunken archaeological sites by treasure hunters seeking gold and other valuables may be illegal under the terms of an international treaty under discussion by UNESCO's 188 Member States.
“Protecting our underwater heritage is extremely important and increasingly urgent as no site or shipwreck is now out of bounds for treasure hunters.New technologies have made deep-water wrecks easily accessible and these technologies are getting cheaper,” warns Lyndel Prott.
According to estimates by treasure hunters,there are some three million undiscovered shipwrecks scattered across the world's oceans.Even the figures for the known wrecks are impressive.The Northern Shipwrecks Database, for example, contains 65,000 ship loss records for North America alone from 1500 AD to the present.The Dictionary of Disasters at Sea by Charles Hocking (1969) lists 12,542 sailing ships and war vessels lost between 1824 and 1962.
Then there are sunken cities such as the trading town and pirate stronghold (海盗堡垒) of Port Royal in Jamaica,which disappeared beneath the waves after an earthquake in 1692.Or the remnants of ancient civilisations,such as the Lighthouse of Alexandria in Egypt,and the Neolithic villages being discovered under the Black Sea,which some believe could help explain Noah's great flood.
These treasures of cultural heritage are under serious threat.Technology now allows extraordinary access to the ocean depths for determined and well-financed treasure hunters.And the potential rewards are huge.In 1985,American treasure hunter Mel Fisher discovered the wreck of the Señora de Atocha,a Spanish ship that sank off the Florida Keys in 1622 with her cargo of gold,silver and jewellery worth an estimated US $400 million.
An archaeologist can spend ten years or more studying a ship,conserving its objects and publishing its findings.We gain an enormous amount of information and knowledge from this work.With treasure hunters,all of this is lost.This is tragic,for humanity as a whole.
1.Why is it important and urgent to protect our underwater heritage?
A.Underwater heritage is easily accessible to treasure hunters.
B.Underwater heritage is out of reach of archaeologists.
C.New technology makes protection of underwater heritage easier.
D.There is no law to protect underwater heritage.
2.What is the third paragraph mainly about?
A.Shipwrecks discovered by treasure hunters.
B.The main cause of shipwrecks.
C.The history of sunken ships.
D.The figures of shipwrecks around the world.
3.What happened to Port Royal in 1692?
A.It was washed away by flood.
B.It was beneath the waves after an earthquake.
C.It was discovered under the Black Sea.
D.It was rebuilt by Noah.
4.Why is Mel Fisher mentioned in the fifth paragraph?
A.He risked his life in treasure hunting.
B.He was one of the most successful treasure hunters.
C.He made a great discovery of shipwrecks.
D.He had no trouble in finding a shipwreck.
Ⅲ.完形填空
Some years ago on a hot summer day,a little boy decided to go for a swim in the lake behind his house.In a hurry to dive into the 1 water,he ran out of the back door.He flew into the water,not 2 that an alligator(鳄鱼) was swimming towards the 3 .His mother in the house was 4 of the window and saw the alligator as it got closer and closer.In fear,she ran towards the water,yelling to her son as 5 as she could.
Hearing her voice,the little boy became 6 and made a return to swim to his mother.It was too 7 .Just as he reached her,the alligator 8 him.From the shore,the mother grasped her little boy by the arms just as the alligator grasped his legs.That began an incredible tug-of-war (拔河) between the two.The alligator was much 9 than the mother,but the mother was much too struggling to let the boy go.A farmer happened to drive by,took aim and shot the alligator.
Luckily,after weeks in the hospital,the little boy 10 .His legs were scarred by the animal and,on his arms,were 11 scratches where his mother's fingernails scratched.A newspaper reporter,who 12 the boy,asked if he would show him his 13 .The boy lifted his pant legs.And then,with obvious 14 ,he said to the reporter,“But look at my arms.I have great scars on my arms,too.I have them because my mom wouldn't let me go.They are my mother's 15 for me.”
1.A.hot B.cool
C.polluted D.boiled
2.A.resisting B.remembering
C.realising D.ignoring
3.A.roadside B.entrance
C.exit D.shore
4.A.looking out B.giving out
C.picking out D.getting out
5.A.politely B.exactly
C.loudly D.gently
6.A.interested B.tired
C.moved D.alarmed
7.A.late B.funny
C.kind D.nice
8.A.reached B.saved
C.helped D.loosed
9.A.younger B.heavier
C.stronger D.cleverer
10.A.died B.survived
C.appeared D.disappeared
11.A.nice B.tall
C.expensive D.deep
12.A.told B.doubted
C.interviewed D.warned
13.A.power B.scars
C.ability D.spots
14.A.pride B.failure
C.success D.progress
15.A.experience B.story
C.wish D.love
Ⅳ.语法填空
Many great people in the world devote themselves to 1.________(improve) society in their own ways.For example,Jane Goodall,a woman from Britain,would rather spend time studying chimps in the wild in Africa than 2.________(lead) a comfortable life.For 40 years she 3.________(be) outspoken about making the rest of the world understand and respect the life of chimps.Lin Qiaozhi,a specialist in women's diseases,is another woman who has made great 4.________(achieve).There was story after story of no matter 5.________tired after a day's work,she went late at night to deliver a baby for a poor family.It was because of her hard work and great consideration to her patients that hundreds of babies 6.________(deliver) safely by her.7.________third example is Yuan Longping,the first agricultural pioneer in the world 8.________(grow) super hybrid rice.Using his hybrid rice,farmers can produce harvests twice as large as before.Therefore,now the UN has more tools in the battle to rid the world 9.________hunger.In short,so 10.________(impress) is their work that they all deserve praising and learning from.
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课时分层作业(十四)
Ⅰ.1.notable 2.drilling 3.The 4.into 5.investigation 6.millimetre 7.volumes 8.substances
Ⅱ.
1
2
3
4
A
D
B
B
Ⅲ.
1
2
3
4
5
6
7
8
B
C
D
A
C
D
A
A
9
10
11
12
13
14
15
C
B
D
C
B
A
D
Ⅳ.1.improving 2.lead 3.has been 4.achievements 5.how 6.were delivered 7.A 8.to grow 9.of 10.impressive
Ⅱ.【语篇解读】 本文是一篇说明文。频繁的海底探宝活动,极大地破坏了海底沉船或沉没的遗迹。现在联合国教科文组织准备立法,禁止掠夺海下遗迹。
1.A [细节理解题。由第二段内容可知,因为现代科技的进步,探宝者很容易就能到达海下沉船,因此对沉船的保护迫在眉睫。]
2.D [段落大意题。综合分析第三段内容可知,本段介绍了已探明的和未探明的海底沉船数量。]
3.B [细节理解题。从第四段第一句可知,Port Royal被地震后引起的洪水淹没。]
4.B [推理判断题。分析第五段内容可知,Mel Fisher曾经发现了一艘满载珠宝的西班牙沉船,由此可知,他是最成功的探宝者之一。]
Ⅲ.【语篇解读】 本文是一篇记叙文。文章讲述了一个惊险的故事:一位母亲为了挽救孩子做出了常人无法做出的事情——与鳄鱼比力气。
1.B [根据上文的“on a hot summer day”可知,小男孩跑出了后门,急急忙忙地跳进清凉的水里。]
2.C [此处指小男孩跳进了水里,却没有意识到一只鳄鱼正在向岸边游去。]
3.D [参见上题解析。下文中的“From the shore”也是提示。]
4.A [他的母亲在屋子里望着窗外,看到鳄鱼越来越近。]
5.C [根据常识可知,鳄鱼离儿子越来越近,母亲会大声叫喊提醒儿子。]
6.D [听到母亲的声音,小男孩变得惊恐起来,向他的母亲回游过去。]
7.A [根据下文“just as the alligator grasped his legs”可知,已经太迟了。]
8.A [根据下文“the mother grasped her little boy by the arms just as the alligator grasped his legs”可知,就在小男孩接近妈妈的时候,鳄鱼赶上了他。]
9.C [根据“but the mother was much too struggling to let the boy go”可知,鳄鱼比妈妈强壮得多,但妈妈更加努力地让男孩逃脱。]
10.B [根据上文的“Luckily,after weeks in the hospital”可知,小男孩幸存了下来。]
11.D [根据上文的“The alligator was much ________ than the mother,but the mother was much too struggling to let the boy go.”可知,他的双腿被这只动物留下了伤疤,而在他的手臂上,是他母亲的手指甲抓的深深的抓痕。]
12.C [根据空前的“A newspaper reporter”可知,记者采访了这个男孩。]
13.B [根据下文的“The boy lifted his pant legs.”可知,小男孩掀起裤腿,向记者展示他的疤痕。]
14.A [根据下文的“I have them because my mom wouldn't let me go.”可知,小男孩让记者看他的疤痕时,很明显是自豪的。]
15.D [此处指这些疤痕是妈妈对小男孩的爱。]
Ⅳ. 【语篇解读】 本文是一篇记叙文。文章介绍了世界上几位致力于改善社会的伟大人物。
1.improving [devote oneself to doing sth.表示“致力于做某事”,故填improving。]
2.lead [would rather do A than do B表示“宁愿做A也不愿做B”,故填lead。]
3.has been [根据时间状语For 40 years可知,空处用现在完成时,故填has been。]
4.achievements [空处作动词made的宾语应用名词,空前没有冠词,故用复数表示泛指。]
5.how [句意为:一个又一个的故事讲述着,不管一天的工作有多累,她都还要在深夜去给贫穷的家庭接生。no matter how+adj.表示“不管多么……”,故填how。]
6.were delivered [事情发生在过去,deliver与babies之间又是动宾关系,所以用一般过去时的被动语态,故填were delivered。]
7.A [“a+序数词”表示“又一,再一”,故填A,注意首字母大写。]
8.to grow [当被修饰词前有序数词修饰时,用不定式作后置定语,故填to grow。]
9.of [rid... of... 表示“去除,让……摆脱……”,故填of。]
10.impressive [本句是部分倒装句,空处作is的表语,应用形容词,故填impressive。]
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