题目
From the very beginning,rivers have played an important part in the life of man.Man of the earli¬est times used the rivers as a means of travel.Today rivers still serve as a great waterway for the trans¬port and people.
In ancient times,man settled near rivers or on river 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 di¬rected 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 rivers.
Rivers also bring down soil and minerals from mountains and deposit them on the plains building up rich river deltas for raising plants and crops.Fresh water life in rivers or in lakes fed by them pro¬vide 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.
61.Rivers have been important to man .
A.since the last century
B.for a very long time
C.since a few hundred years ago
D.since a few years ago
62.Rivers bring about .
A.people and crops
B.life and wealth
C.poverty and death
D.agriculture and bridge
63.Electrical power is produced by .
A.dams
B.reservoirs
C.factories
D.generators
64.Energy is obtained from rivers by .
A.building bridges across them
B.driving generators into them
C.building dams across them
D.directing them into homes and factories
65.The things brought down by rivers from mountains that are useful for cultivation are .
A.deltas
B.crops
C.fresh water life
D.soil and minerals
In ancient times,man settled near rivers or on river 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 di¬rected 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 rivers.
Rivers also bring down soil and minerals from mountains and deposit them on the plains building up rich river deltas for raising plants and crops.Fresh water life in rivers or in lakes fed by them pro¬vide 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.
61.Rivers have been important to man .
A.since the last century
B.for a very long time
C.since a few hundred years ago
D.since a few years ago
62.Rivers bring about .
A.people and crops
B.life and wealth
C.poverty and death
D.agriculture and bridge
63.Electrical power is produced by .
A.dams
B.reservoirs
C.factories
D.generators
64.Energy is obtained from rivers by .
A.building bridges across them
B.driving generators into them
C.building dams across them
D.directing them into homes and factories
65.The things brought down by rivers from mountains that are useful for cultivation are .
A.deltas
B.crops
C.fresh water life
D.soil and minerals
提问时间:2020-08-07
答案
61.B 原文第一句话:From the very beginning,rivers have played an important part in the life of man.62.B 原文第二段倒数第二句:In nations all over the world,rivers mean life and wealth.63.D 原文第三段...
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