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
专升本
From the beginning rivers have played an important part in the life of man. Man of the earliest times used the rivers as a means
From the beginning rivers have played an important part in the life of man. Man of the earliest times used the rivers as a means
admin
2011-03-26
27
问题
From the beginning rivers have played an important part in the life of man. Man of the earliest times used the rivers as a means of travel. Today rivers still serve as a great waterway for the transport and people.
In ancient times, man settled near rivers or on fiver banks and built up large empires.
Water is Nature’s most precious gift to man. Man needs water to irrigate his crops, to cook and to wash. In nations all over the world rivers mean life and wealth. They feed and clothe the nations around them.
Water is also a source of energy and power. Man constructs huge dams across the river to control the water for irrigation and get the energy needed to drive generators. The electrical power is then directed to homes, cities, factories and television stations.
Man uses water each day. His main source of water comes from reservoirs, which in turn get their water from the rivers.
Rivers also bring down soil and minerals from the mountains and deposit them on the plains building up rich fiver deltas for raising plants and crops. Fresh water life in rivers or in lakes fed by them provide man with food.
In a small way rivers help to keep man in good health and provide for his amusements. Various forms of water sports keep man strong and healthy.
Rivers have run on this earth long before man. Man’s future ability to live is uncertain, but rivers will flow on forever.
Electrical power is produced by ______.
选项
A、dams
B、reservoirs
C、factories
D、generators
答案
D
解析
转载请注明原文地址:https://jikaoti.com/ti/L84GFFFM
本试题收录于:
英语题库成考专升本分类
0
英语
成考专升本
相关试题推荐
Therestofhislifeis______tothecauseofinternationalexchangeofvisitingscholars.
Thechildwassorry______hismotherwhenhearrivedatthestation.
Independentschoolsareactuallycalled______.Childrentake______attheageof13.
Childrenwhoareoverprotectedbytheirparentsmaybecome______.
Thenoisearoundwasterrible,butIhadto______it.
Whatistheauthor’smainpurposeinthepassage?______Accordingtothepassage,Argentinaisworld-famousbecauseofits___
Therewasonethoughtthatairpollutionaffectedonlytheareaimmediatelyaroundlargecitieswithfactoriesandheavyautomob
ItallstartedinwartimeMunichwhenadoctor,KlausMaertens,hadabadskiingaccident.Hedecidedtomakehimselfacomforta
Ahundredyearsago,thegamewenowcallfootballdidnotexist.Americanfootballstartedduringagamebetweentwocolleges.
Mostboys,andmanygirlstoo,haveatsometimeorotherstartedastampcollection.Stamp-collecting,or,tocallit【21】itsco
随机试题
何种二叉树形态最适合用顺序方法存储?何种二叉树形态最不适合用顺序方法存储?说明理由。
含氮激素都不可口服。
A.精神分裂症B.抑郁症C.消化性溃疡D.大叶性肺炎E.高血压小刘,40岁。在单位是业务骨干,经常加班加点,但职位较低,总感不被老板重视;在家中又颇受妻子冷遇,争吵不断,夫妻关系日见恶化。最近项目经理空缺,小刘认为是自己的一个绝好机会,于是更加
某电热器的额定功率为2W,额定电压为100V。拟将它串联一电阻后接在额定电压为200V的直流电源上使用,则该串联电阻R的阻值和额定功率PN应为()。
单体试运转考核的主要对象是()。
March26,2006Mr.SamuelBrownTruestarCorporationFinanceDepartmentManagerRe:Account#2958ADearMr.Brown,Iwantt
WhenrecruitingatBritishuniversities,PricewaterhouseCoopers,oneoftheBigFourauditingfirmswithitsheadquartersinthe
阅读下列说明,回答问题1至问题4,将解答填入对应栏内。[说明]某国家级大型信息网络系统工程建设项目由中央财政投资。在完成编写项目建议书、可行性研究报告、初步设计方案后获得批准。建设单位通过公开招标方式选定某监理单位承担整个项目全过程监理工作
若有以下程序,编译时出现错误,你认为出错的是#include<stdio-h>main(){inta=0,b=0,c=0,d;c=(a+=b,,b+=a);/*第4行*/d=c;;/*第5行*/;/*第6行*/printf("%d,%d,%d
在一个数据库中已经设置了自动宏AutoExec,如果在打开数据库的时候不想执行这个自动宏,正确的操作是()。
最新回复
(
0
)