2020-2021学年高中英语 课时分层作业15 Unit 5 The power of nature Section Ⅲ、Ⅳ（含解析）新人教版选修6.doc

1、课时分层作业(十五)Section 、(建议用时：30分钟)语言知识练习固基础单句语法填空1Having finished(finish) all my letters，I had a drink and went out2The cooling wind swept through our bedroom windows，making (make) air conditioning unnecessary3The park was full of people，enjoying (enjoy) themselves in the sunshine4He injured his head an

2、d was unconscious (conscious) for one hour5There are different varieties(vary) of plants in the garden，which are very beautiful6Perfect satisfaction is guaranteed(guarantee) to our customers in our shop7The old man expressed his anxiety(anxious) about the air pollution8The room is too smallIt is unc

3、omfortable (comfort) to live in9The bird was shot(shoot) and fell down from the tall tree10In this restaurant，the menu varies with the season，which is popular with us句型转换1Because he was seriously ill，he didnt go to schoolBeing seriously ill，he didnt go to school2When she was walking along the street

4、 one day，she met an old friend of hersWalking along the street one day，she met an old friend of hers3If it is sunny，well go for a picnic tomorrowIt being sunny，well go for a picnic tomorrow4After she had finished her homework，the little girl began to watch TVHaving finished her homework，the little g

5、irl began to watch TV5Because they had been warned by the teacher，they didnt make such mistakesHaving been warned by the teacher，they didnt make such mistakes高考题型练习提能力阅读理解AThe past three decades have seen great progress in our knowledge of dealing with travel dangersBut our attention is easily drawn

6、 to the new，the fascinating and the challenging，and there has not been much effort to solve the old problem and change the way people behave in the sunWe understand the harmful effects of strong sunlightAs with cigarettes and lung cancer，theres no need for more research to tell us what we should doN

7、or is much research being carried outOf the hundreds of papers presented at an international conference on travel illnesses，there was only a single paper on the sunLast month，a fivemonthold baby almost died from sunburnsuffering burns to 40 percent of its skin surface while sleeping on the beachSunb

8、urn is only one of the problems caused by strong sunlight and research results are shockingIn men，the death rate for malignant melanoma，the deadliest form of skin cancer，has more than doubled in the past 30 yearsfrom 15 per 100，000 population to 31 per 100，000，according to Cancer Research UKIt is no

9、 coincidence that the same 30year period has seen a rise in travellingIn older age groups，the death rate is much higherMeanwhile，the number of new cases of melanoma has grown fivefoldMore women are being diagnosed with melanoma but more men are dying from itmen are less likely to seek treatment in t

10、imeOther more treatable skin cancers are also on the rise，with an estimated 100，000 cases every yearThe underlying reason comes down to this：most paleskinned people have a strong belief，deeply rooted in our culture，that they look better with browner skinThey will risk cancer and pain to support thei

11、r goal，and medical education seems to make little difference【语篇解读】很多人都知道太阳光线可能造成伤害，但并没有改变行为方式来减少这一伤害。1The underlined part “the old problem” in the first paragraph refers to Adifficulties in travellingBthe harm that strong sunlight can doCthe challenges during the travelDthe death rate of skin cancer

12、B推理判断题。根据第二段的“We understand the harmful effects of strong sunlight”可知答案。2According to the 4th paragraph，the death rate for skin cancer has increased probably because Athe air is more polluted than beforeBskin cancer cant be treatedCpeople are under greater pressureDmore and more people are travellin

13、gD推理判断题。根据第四段的“It is no coincidence thata rise in travelling”可知答案。3Which of the following statements is TRUE?AThe death rate for skin cancer among old people is lowerBMore babies are dying from skin cancerCWomen are more likely to get treatment in timeDFewer women get skin cancer nowC细节理解题。根据第四段的“Mo

14、re women aretreatment in time”可知男人不太寻求及时治疗，相比之下，女人则更可能寻求这方面的治疗，由此可知答案。4We can learn from the last paragraph that Apaleskinned people are usually illBnobody will risk cancer to look better Cour culture doesnt believe browner skin looks betterDmedical education will not change peoples desire for brown

15、er skinD细节理解题。根据最后一段的“They will riskto make little difference”可知答案。BThe US government has recently helped people learn more about the dangers of earthquakes by publishing a mapThis map shows the chances of an earthquake in each part of the countryThe areas of the map where earthquakes are most likel

16、y to occur are called earthquake beltsThe government is spending a great deal of money and is working hard to help to discover the answers to these two questions：Can we predict earthquakes?Can we control earthquakes?To answer the first question，scientists are looking very closely at the most active

17、fault (断层) systems in the country，such as the San Andreas fault in CaliforniaA fault is a break between two sections of the earths surfaceThese breaks between sections are the places where earthquakes occurScientists look at the faults for changes which might show that an earthquake was about to occ

18、urBut it will probably be many years before we can predict earthquakes correctlyAnd the control of earthquakes is even farther awayHowever，there have been some interesting developments in the field of controlling earthquakesThe most interesting development concerns the Rocky Mountain Arsenal earthqu

19、akesHere water was put into a layer of rocks 4，000 metres below the surface of the groundShortly after this injection of water，there was a small number of earthquakesScientists have decided that the water which was injected into the rocks worked like oil on each otherWhen the water “oiled” the fault

20、，the fault became slippery and the energy of an earthquake was given outScientists are still experimenting at the site of these earthquakesThey have realized that there is a connection between the injection of the water and the earthquake activityThey have suggested that it might be possible to use

21、this knowledge to prevent very big，dangerous earthquakes，that is，scientists could inject some kind of fluid like water into faults and change one big earthquake into a number of small，harmless earthquakes【语篇解读】 为了提高人们对地震的防范意识，美国政府加大了在防震、预测方面的投入，他们甚至在努力采取措施控制地震的发生。5Earthquakes belts are Amaps that sh

22、ow where earthquakes are likely to occurBzones with a high probability of earthquakesCbreaks between two sections of the earths surfaceDthe two layers of earth along a faultB细节理解题。根据第一段的第三句可知，地震多发地带被称为earthquake belts。6The San Andreas fault is Aan active fault systemBa place where earthquakes have b

23、een predicted correctlyCa place where earthquakes have been controlledDat the foot of the Rocky MountainA细节理解题。根据第四段可知，该地区为地震比较活跃的地区。7What did scientists learn about earthquakes at the Rocky Mountain Arsenal?AThey occur at about 4，000 metres below ground levelBThe injection of water into earthquake

24、faults prevents earthquakes from occurringCThey are usually caused by the oil in the faultsDHarmful earthquakes could be prevented by causing harmless earthquakesD细节理解题。根据最后一段尾句可知。8What can be said about the experiments at the Rocky Mountain Arsenal?AThey have no practical value in earthquake preventionBThey may have practical value in earthquake preventionCThey are certain to have practical value in earthquake preventionDNothing is told about their practical value in earthquake preventionB推理判断题。根据科学家的试验，通过向断裂带注水可以引发小地震，从而使地震的能量得到释放，因此也就降低了大地震爆发的可能。