听力原文: Today I'm going to discuss transportation and communication in the early 19th century in the United States. At that time, inland waterways provided North America's most popular form. of long distance transportation. Travel by river was often more convenient than taking a wagon over primitive country roads, especially when shipping heavy loads of farm products or household goods. Where the natural water- ways were inadequate, shallow canals were built. The Erie Canal, opened in 1825, connected the Great Lakes with the upper Hudson River. It allowed settlers in the Great Lakes region to send their crops eastward to New York City at the mouth of the Hudson at a much lower cost. From there, crops could be shipped to other Atlantic ports. The construction of the Erie Canal also encouraged westward migration along inland waterways and helped populate the frontier. The City of Detroit grew up between two of the Great Lakes. Later a canal joined the Great Lakes with the Mississippi river system and Chicago became a thriving city. Politically the waterway system united the nation in a way few had imagined possible. By the mid-1800's faster and cheaper railroads became more popular and the canal system declined. Railroads could be used year round whereas canals were often frozen in the winter. During the first third of the century, however, transportation on rivers, lakes and canals aided greatly in the growth of the United States. Next week we'll discuss the railroads in greater detail.
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A. The role of inland waterways in the nation's growth.
B. The development of New York City as a seaport.
C. The growth of the railroads.
D. The disappearance of the canal system.
A.Miss Brown does not know how to paint.B.Miss Brown will teach art.C.Miss Brown will
A. Miss Brown does not know how to paint.
B. Miss Brown will teach art.
C. Miss Brown will teach English.
D. Miss Brown will not go to the high school.
Section B
Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You should decide on the best choice.
In one very long sentence, the introduction to the U.N. Chapter expresses the ideals and the common aims of all the peoples whose governments joined together to form. the U.N.
"We the peoples of the U.N. determined to save succeeding generations from the scourge of war, which twice in our life time has brought untold suffering to mankind, and to reaffirm faith in fundamental rights, in the dignity and worth of the human person, in the equal rights of men and women and of nations large and small, and to establish conditions under which justice and respect for the obligations arising from treaties and other sources of international law can be mentioned, and to promote social progress and better standards of life in larger freedom, and for these ends, to practise tolerance and live together in peace with one another as good neighbors, and to unite our strength to maintain international peace and security, and to ensure, by the acceptance of principles and the institution of methods, that armed force shall not be used, save in the common interest, and to employ international machinery for the promotion of economic and social advancement of all peoples, have resolved to combine our efforts to accomplish these aims."
The name "United Nations" is accredited to U.S. President Franklin D. Roosevelt, and the first group of representatives of member states met and signed a declaration of common intent on New Year's Day in 1942. Representatives of five powers worked together to draw up proposals, completed at Dumbarton Oaks in 1944. These proposals, modified after deliberation at the conference of International Organization in San Francisco which began in April 1945, were finally agreed on and signed as the U.N. Charter by 50 countries on 26 June 1945. Poland, not represented at the conference, signed the Charter later and was added to the list of original members. It was not until that autumn, however, after the Charter had been ratified by China, France, the U.S.S.R., the U. K. and the U.S. and by a majority of the other participants that U.N. officially came into existence. The date was 24 October, now universally celebrated as United Nations' Day.
The essential functions of the U.N. are to maintain international peace and security, to develop friendly relations among nations, to cooperate internationally in solving international economic, social, cultural and human problems, promoting respect for human rights and fundamental freedoms and to be a centre for coordinating the actions of nations in attaining these common ends.
No country takes precedence over another in the U.N. Each member's rights and obligations are the same. All must contribute to peaceful settlement of international disputes, and members have pledged to refrain from the threat or use of force against other states. Though the U.N. has no right to intervene in any state's internal affairs, it tries to ensure that non-member states act according to its principles of international peace and security. U.N. member must offer every assistance in an approved U.N. action and in no way assist states against which the U.N. is taking preventive or enforcement action.
The first stated aim of the U.N. was ______.
A. to supervise peace and treaties
B. to revise international laws
C. to prevent a third world war
D. to assist the "third world" countries