题目内容
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What is the attitude of some people towards Gypsies？
A．They are unfriendly to Gypsies.
B．They admire the musical talent of the Gypsies.
C．They are envious of Gypsies.
D．They try to put up with Gypsies.
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A、Resource reasons
B、economic reasons
C、political reasons
D、social system reasons
A、copyright violation.
B、repetitive researches.
C、plagiarism.
D、invalid experiment.
Directions: You will hear three dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each question by choosing A, B, C or D. After listening, you will have 10 seconds to check your answer to each question. You will hear each piece ONLY ONCE.
听力原文： During the early years of this century, wheat was seen as the very lifeblood of Western Canada. When crops were good, the economy was good; when the crops failed, there was depression. People on city streets watched the yields and the price of wheat with almost as much feeling as if they were growers. The marketing of wheat became an increasingly favorite topic of conversation.
War set the stage for the most dramatic events in marketing the western crop. For years, farmers mistrusted speculative grain selling as carried on through the Winnipeg Grain Exchange. Wheat prices were generally low in the autumn, but farmers could not wait for markets to improve. It had happened too often that they sold their wheat soon after harvest when farm debts were coming due, only to see prices rising and speculators getting rich. On various occasions, producer groups asked for firmer controls, but governments had no wish to become involved, at least not until wartime wheat prices threatened to run wild.
Anxious to check inflation and rising living costs, the federal government appointed a board of grain supervisors to handle deliveries from the crops of 1917 and 1918. Grain Exchange trading was suspended, and farmers sold at prices fixed by the board. To handle the crop of 1919,the government appointed the first Canada Wheat Board, with full authority to buy, sell, and set prices.
Which of following is TRUE about the urban people of Western Canada during the early years of the century？
A．They paid no special attention to information about the production and the price of wheat.
B．They might casually take the growing of wheat as a topic of conversation.
C．They also grew wheat in their backyards.
D．They were as much concerned with the wheat production and selling as the farmers.
The pleasant weather follows the autumn's first period of cold, wintry days. The days become warmer but the nights remain chilly. An Indian summer moon often has a soft yellow or orange hue. Indian summer lasts from a week to ten days and sometimes for two weeks. Then winter starts. Indian summer is caused by a large mass of warm tropical air. South winds carry these masses northward. The American Indians enjoyed Indian summer and called it a gift of a favorite god- the god of the Southwest.
At what time of the year does Indian summer come？
A．Late September.
B．Late October.
C．Early November.
D．B or C.
A．They didn't hear the call.
B．They didn't think it is serious.
C．They met iceberg too.
D．They were not fast enough.
A．One-fourth.
B．One-fifth.
C．One-third.
D．a half.
The most common process takes DNA from one cell and puts it in a hollowed-out egg. Chemicals and electricity are then used to encourage the new DNA to fuse with the egg and develop into an embryo. This technique is called nuclear transfer.
The first cloned animal in human history was a sheep called Dolly. It was very important because it was the first mammal to be cloned using DNA taken from an adult cell. Previously, animals had only been cloned using embryo cells, which already have the potential to become complete embryos in their own right. The big breakthrough with Dolly was that a clone was made from an ordinary, adult cell.
When it comes to the question of whether cloned animals are normal and healthy, the answer is YES. Dolly is, but scientists do not yet know whether this is the exception or the rule. Some early evidence suggests that clones may have health problems and that they may age prematurely.
With the birth of Dolly, many people are worried that a human clone may be born soon. It's possible in theory. But the technology of reproductive cloning is still in its very early stages and there is much that scientists do not understand. What's more, human cloning is already banned by law in the United Kingdom. The former President of the United States, Bill Clinton, proposed banning research into producing human clones in the U. S. for five years. Some measures have also been taken to establish international agreements banning live human clones.
What has cloning bypassed？
A．The nuclear transfer.
B．The process of taking DNA
C．The normal reproductive process.
D．The creation of cells.
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