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When the glaciers( )after the last ice age,the five Great Lakes of North America were formed.
A.advanced
B.evaporated
C.thawed
D.exploded
B.evaporated
C.thawed
D.exploded
参考答案
参考解析
解析:A选项意为“前进,提出(计划,提案等),推行”;B选项意为“蒸发,(如蒸汽般地)消失”;C选项意为“(冰,雪等)融化,溶解,(态度)变温和”;D选项意为“破裂,(感情)激发,爆炸”。根据题意答案为C。
更多 “When the glaciers( )after the last ice age,the five Great Lakes of North America were formed.A.advanced B.evaporated C.thawed D.exploded” 相关考题
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B.The Negroes also belonged to the earliest immigrants to the North Americ
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D.The Negroes didn't win freedom until no
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NASA used the same airborne instrument in June 2012 to map the summer flows of two Icelandic ice caps. The ice caps — large areas of permanent snow and ice cover — encompass multiple glaciers flowing in different directions and at different speeds. By mapping the same ice caps now, in winter, when the surface remains frozen all day, and then comparing the winter and summer velocities, the researchers will be able to isolate the effects of melt water.
Above is a view of a small part of the Hofsjkull ice cap, which encompasses several glaciers. The fan at upper left is part of a glacier called Mlaj?kull.
For more on the research, see this NASA press release.
What does the underlined word permanent (paragragh 2) mean?A.Freeze easily.
B.Move quickly.
C.Long-lasting.
D.Extremely cold.
考题
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NASA used the same airborne instrument in June 2012 to map the summer flows of two Icelandic ice caps. The ice caps — large areas of permanent snow and ice cover — encompass multiple glaciers flowing in different directions and at different speeds. By mapping the same ice caps now, in winter, when the surface remains frozen all day, and then comparing the winter and summer velocities, the researchers will be able to isolate the effects of melt water.
Above is a view of a small part of the Hofsjkull ice cap, which encompasses several glaciers. The fan at upper left is part of a glacier called Mlaj?kull.
For more on the research, see this NASA press release.
What is the mission of the NASA radar instrument?A.To investigate the climate change.
B.To make maps about moving glaciers.
C.To measure the rising sea levels.
D.To slow the melting process of glaciers
考题
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NASA used the same airborne instrument in June 2012 to map the summer flows of two Icelandic ice caps. The ice caps — large areas of permanent snow and ice cover — encompass multiple glaciers flowing in different directions and at different speeds. By mapping the same ice caps now, in winter, when the surface remains frozen all day, and then comparing the winter and summer velocities, the researchers will be able to isolate the effects of melt water.
Above is a view of a small part of the Hofsjkull ice cap, which encompasses several glaciers. The fan at upper left is part of a glacier called Mlaj?kull.
For more on the research, see this NASA press release.
How can the scientists figure out the effects of melting water?A.By melting the frozen iceberg in winter.
B.By observing the snow's moving directions.
C.By isolating ice from water in sunlines.
D.By comparing the glaciers moving speeds.
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共用题干
The First Settlement in North AmericaIt is very difficult to saythat when colonization began.The first hundred years after Christo-pher Columbus’s journey of discovery in 1492 did not produce any settlement on the North Ameri-can continent but rather some Spanish trading posts further south,a great interest in gold and ad-venture,and some colorful crimes in which the English had their part.John Cabot,originally from Genoa but a citizen of Venice, was estahlished as a trader in Bristol,England,when he made a journey in 1497 .But his ship,the Matthew,with its crew of eighteen,did no more than see an island(probably off the New England coast)and return home.He and his son made fur-ther voyages across the north Atlantic,which enahled the English Crown to claima“legal”title to North America.But for a long time afterwards the Europeans,interest in America was mainly con-fined to the Spanish activities further south.Th e fi rst heginning of permanent settlement in North America was nearly a hundred yearsa仁 ter Columbus'5 first voyage.The Englishman Sir Walter Raleigh claimed the whole of North Amer-ica for England,calling it Virginia.In 1585 he sent a small group ofpeople who landed in Roano-ke Island,but they stayed only for a year and then went back to England with another expedition, led hy Drake,in 1 5 87 .A second group who landed in 1 587 had all disappeared when a further expedition arrived in 1590.The first permanent settlement in North America was in 1 607 .English capitalists founded two Virginia companies,a southern one hased in London and a northern one based in Bristol.It was decided to give the name New England to the northernarea.The first settlers in Virginia were lit-tle more than wage slaves to the company.All were men and the experiment was not very success-ful .Many died.Those who survived lived in miserable conditions.By 1619 the colony had onlya thousand people. We know for sure that colonization began at the end of the 15th century.A: RightB:WrongC:Notmentioned
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共用题干
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共用题干
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共用题干
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The first wave of colonizing activity, which began in 1606 and lasted until 1637, planted three groups of English colonies: Virginia and Maryland on the Chesapeake, the Puritan commonwealths of New England, and the British West Indies, and also the Dutch colony of New Netherlands, which became New York. Some other European countries also established their colonies along North America’s Atlantic coastline. In 1713, the population of the twelve continental colonies was nearly 360,000, a fourfold increase. Quite a lot of them were German and Scots-Irish. Discontented Germans came to English America because the German states had no overseas possessions, and no colonies except those of the English would admit foreigners. Most Germans entered America at Philadelphia, whence they spread out fanwise into the back-country and became the most prosperous farmers in North America. The English-speaking Scots-Irish came from Ulster. They were largely descendents of the Scots who had colonized Northern Ireland when the English were first setting Virginia. After 1713 the pressure of the native Catholic Irish and the restrictive legislation of the British. Parliament forced them to emigrate in drove. As land was dear in the eastern colonies, these fighting Celts drifted to the frontier. A considerable number of southern Irish, mostly Protestants but including Catholic families came at the same time. They were mostly men of property who invested in land and remained in the older-settled regions. Britain gradually established its dominance over North America’s Atlantic coast. It successfully planted 13 colonies by edging out other colonial powers and by driving off the native Indians. Though the first English permanent settlement in America was established in Jamestown in1607, modem America was established in Jamestown in 1607, modem Americans choose to look back to the Pilgrim Father, a group of Puritans who came from England in 1620 for a symbol of the origin of their new country. They were followed by other Englishmen. They were generally known as the White Anglo-Saxon Protestants (WASP), who played the leading role in winning America’s independence. Their mother tongue, English, became the official language of the new nation. Today about 33% of Americans are of British origin. They control most of the national wealth and political power. The other white Americans, whose forefathers were from other European countries, are not so influential as the WASPs. All these white European immigrants and their descendants together constitute the majority of the American population. After the American Civil War, a large number of the “new immigrations” came to the United States of America. Even during the Civil War some 800,000 immigrants had entered the United States, and in the ten years after the ending of the war, some 3.25 million immigrants flooded into the cities and the farms of the North and the West. In the single generation from 1880 to 1910 a tidal wave of immigration spilled almost 18 million persons on American shores. Unlike the old immigrations, who were “pushed out” of West Europe by religious persecution or impoverishment, the new immigrations were “pulled to” the United States by the prospect of good jobs and happy life. Most of them were unskilled. The large influx of the new immigrations resulted in the adoption of the Immigration Quota Law by the American government. A lot of Chinese coolies were brought into America after the discovery of gold in California. and for the construction of the Central Pacific Railroad. The Chinese-Americans made a great contribution to the development of the American West. But, Chinese-Americans and other Asian-Americans never constitute a majority of the American population. The United States has always been a nation of immigrants composed mainly of the white people. Immigrants from different nations all over the world joined together to make one nation, the American. They speak almost the same kind of English with far less class or regional variety than in Great Britain. They have the same way of life, similar habits and manners. They have established a new universal national culture. With only a few exceptions, the national origins have well been mixed. In this sense, the United States of America has been known as a “melting pot”.
考题
单选题You issue the following command on the RMAN prompt. REPORT NEED BACKUP DAYS 5; Which statement is true about executing this command?()A
It will display a list of files that need incremental backupB
It will display a list of files that need backup after five daysC
It will display a list of files that were backed up in the last five daysD
It will display a list of files that have not been backed up in the last five daysE
It will apply the current retention policy to determine the files that need to be backed up
考题
单选题According to the passage, where in colonial North America were there the fewest women?A
Puritan communities.B
Seaports.C
Frontier settlements.D
Capital cities.
考题
单选题You issue the following command on the RMAN prompt. RMAN REPORT NEED BACKUP DAYS = 5 DATABASE; Which statement is true about executing this command?()A
It will display a list of files that need incremental backup.B
It will display a list of files that need backup after five days.C
It will display a list of files that were backed up in the last five days.D
It will display a list of files that have not been backed up in the last five days.E
It will apply the current retention policy to determine the files that need to be backed up.
考题
单选题Do you know what were the()books in America last year?A
best-soldB
best-sellC
best-saleD
best-selling
考题
单选题The first blacks were brought to North America as _____.A
servantsB
slavesC
farmersD
teachers
考题
单选题Among the five Great Lakes, only ()is wholly within the United States.A
ErieB
SuperiorC
Michigan
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