首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Since ancient times volcanoes have struck terror and wonder into the heart of man. Yet there is much more to volcanic activity t
Since ancient times volcanoes have struck terror and wonder into the heart of man. Yet there is much more to volcanic activity t
admin
2010-07-14
31
问题
Since ancient times volcanoes have struck terror and wonder into the heart of man. Yet there is much more to volcanic activity than the spectacular and awe-inspiring eruptions which sometimes cause great destruction. Comparatively few volcanoes are really dangerous and many of them are merely "noisy neighbors" to those who live nearby, causing only a slight nuisance. The share of good which volcanic force has brought to the world has too often been obscured by the violent outbursts of a few highly active ones.
In recent geological times, volcanoes have thrown up a multitude of islands dotted among the oceans and seas of the world which have added some hundreds of square miles to the land surface of the earth. Their real value to man, however, lies in the widely varying use to which they can be put. On the continental land masses volcanoes have raised mountains which have done much to increase what would otherwise have been a scanty rainfall. And the peoples of the tropics often have a lofty volcanic cone to thank for a more temperate climate.
The greatest benefit so far brought by volcanoes, however, has been the fertilizing effect of the lava and ash they eject. The soils formed by the decay of these volcanic products yield rich harvests in many countries. This fertility accounts for the amazing density of population in the neighborhood of many active craters. Forgetful of past catastrophes and heedless of the dangers that still threatens them, farmers have settled in large numbers round Etna and Vesuvius and volcanoes in Central America, Indonesia, the Philippines, and Japan, but they now run fewer risks than their forefathers. In the past few decades observation posts have been set up alongside the most dangerous craters, so that all impending eruption can be detected and warning given in good time.
For a long while no attempt was made to harness the enormous power generated by volcanoes. Even in quite subsidiary forms it was put only to such domestic use as heating and cooking, or was employed therapeutically in the form of hot mineral springs. Today the remarkable technical achievements of Iceland and Italy are serving as a spur to the harnessing of geothermal power for use in industry. In a few years’ time, other countries, particularly those with few other sources of natural power, are likely to be drawing more and more on the inexhaustible power 35 offered by volcanoes.
Hot mineral springs could be used ______.
选项
答案
as a form of medical treatment
解析
“hot mineral springs”在第四段中提及,答题关键在于句中副词“therapeutically”。这一单词可能大家不认识,可以从构词法的角度来猜,“-cally”表示该词为副词,前面部分看似熟悉。“therapy”是治疗的意思。答案就猜出来了。若不认识“therapy”,也可用常识,“热的矿泉水”能干什么?可以泡澡治病!
转载请注明原文地址:https://jikaoti.com/ti/M8FMFFFM
0
大学英语六级
相关试题推荐
ToallAmericans,anotherbasic【B1】______intheirconstitutionistheBillofRights,adoptedin1971.Thisconsistsof10very
Therearevariouswaysinwhichindividualeconomicunitscaninteractwithoneanother.Threebasicwaysmaybedescribedasth
Directions:Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.Fo
A、Getsomecoinsatthecafe.B、Buyheracupofcoffeeatthecafe.C、Getsomecoffeefromthemachine.D、Trytofixthemachin
A、Gotobedalittleearlierthanusual.B、Talkwithfriendsafterdinner.C、Takesleepingpills.D、Dosomephysicalexercises.
A、Instructions.B、Medicine.C、Money.D、Thedraftofhisspeech.C
Childrenare【C1】______seriousillnessesbecauseoftheirparentssmokingathome,saysthegovernment’schiefmedicalofficer,
Incontrollingyourdreamsthekeywordsare【S1】______,practice,effort,and【S2】______.Inthebeginningyoumaybeable
A、Shebecamethefirstfemalephysician.B、Shewasthefirstwomansurgeon.C、Sheandseveralotherwomenfoundedthefirsthosp
ThedevelopmentofjazzcanbeseenaspartofthelargercontinuumofAmericanpopularmusic,especiallydancemusic.Inthetw
随机试题
《风波》的中心线索是【】
在激光的产生过程中,光学谐振腔的作用是
A.长期慢性咳嗽、咳痰或喘息史B.乏力、呼吸困难,活动后加重C.心尖区第一心音增强D.肺动脉瓣区第二心音亢进E.三尖瓣区收缩期杂音和剑突下搏动右心室扩大的主要表现是
根据《水法》规定,在国家确定的重要江河、湖泊上建设水工程,建设单位在工程开工前,()应当对水工程的建设是否符合流域综合规划进行审查并签署意见。
A单位与B单位没有合同关系,A单位与C单位签有供货合同,由于D单位的银行账号与C单位的相似,A单位将应打入C单位银行账号的一笔资金误打入了B单位银行账号,B单位将这笔资金据为已有。B单位的这一行为属于()。
会计报表附注是为了会计报表使用者便于理解会计报表的内容而对会计报表所作的解释,以下属于其内容的是()、
有些学生的家长让学生戴一种新型手表。这种手表能把学生得位置实时传输给家长。并在家长手机的电子地图上显示出来。这种手表运用得技术是()。①RS②GPS③GIS
我国第一部文学理论专著是()。
民警违反规定使用枪支致人死亡的,对所在单位直接领导()。
下列特征中不是面向对象方法的主要特征的是()。
最新回复
(
0
)