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What was the author's purpose when writing this passage?
A . A. To give practical instruction for pruning a tree.
B . B. To give a general description of pruning.
C . C. To explain how trees develop diseases.
D . D. To discuss different methods of pruning.
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What is the tone of the author in writing the article?
A . Ironic
B . Passionate
C . Humorous
D . Matter-of-fact
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What might not be believed by the author?
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Why does the name Joe trouble the author as a writer?The name troubles the author because .
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Why did Mr. Lee write the email？
A．To inquire about office space
B．To express interest in buying a condo
C．To advertise his legal services
D．To ask about the open house
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What is the author's purpose of writing this passage？
A．To change the behavior. or the thinking of its readers towards body-image.
B．To convince people that it is harmful to be obsessed with superficial beauty.
C．To persuade people to pursue more valuable things.
D．To analyze why people pay so much attention to physical appearance.
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Why does the author mention "the Louisiana Purchase"？
A．To demonstrate how the westward expansion of the United States came about.
B．To illustrate Washington's contribution to the evolution of the United States.
C．To explain why Jefferson was chosen to be one of the presidents on Mount Rushmore.
D．To show why Jefferson's inclusion on Mount Rushmore was a contentious issu
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The author's main purpose in writing the passage is to____.
A．compare the consequences of the earthquakes that occurred in the U.S
B．encourage civil engineers to make more extensive use of computers
C．outline the history of the development of quake-resistant building materials
D．report new developments in constructing quake- resistant building
此题为多项选择题。
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What might be the author's possible purpose in writing this passage？
A．To tell readers that horse appeared earlier than human being.
B．To inform. us that horses can help us a lot.
C．To introduce the history and characteristics of horses.
D．To introduce the primitive horses to modern man.
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In the author's opinion, why was 2001 successful？
A．because its budget was large
B．because its camera work and musical score were blended artistically
C．because its plot was repetitive
D．because its symbolism was very good
此题为多项选择题。
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The author's purpose in writing this passage is_____.
A．to stress the impact of the computer on society
B．to explain the concept of computer literacy
C．to illustrate the requirements for being competent citizens of tomorrow
D．to emphasize that computer programming is an interesting and challenging job
此题为多项选择题。
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The author's purpose in writing the passage is _________.
A．to give advice on appropriate conduct for social occasions
B．to provide ways of how to obtain information about people
C．to call the reader's attention to the negative side of people's characters
D．to discuss the various aspects of getting to know people
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The author's purpose in writing the passage is ______.
A．to persuade young children not to worry about criticism
B．to stress the importance of positive reinforcement to children
C．to discuss the skill of combining criticism with encouragement
D．to teach young athletes how to avoid burnout
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The author writes the passage to______.
A．show us the function of major sports
B．encourage us to go in for green sports
C．discuss the major influence of popular sports
D．introduce different types of environment-friendly sports
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What is the author's main purpose in writing this passage？
A．To advise America to learn from its mistakes.
B．To tell the readers how to look at WikiLeaks.
C．To discuss how to deal with WikiLeaks.
D．To show readers how to stick to their rules.
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What is the author's purpose in writing the passage？
A．To review the impact of women becoming high earners.
B．To contemplate the philosophy underlying individualism.
C．To examine the trend of young people living alone.
D．To stress the rebuilding of personal relationships.
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Every time you try to answer a question that asks why, you engage in the process of causal analysis--you attempt to determine a cause or series of causes for a particular effect. When you try to answer a question that what if, you attempt to determine what effect will result from a particular cause. You will have frequent opportunity to use cause- and-effect analysis in the writing that you will do in college. For example, in history you might be asked to determine the causes of the Seven Day War between Egypt and Israel. In political science you might be asked to determine the reasons why Ronald Reagan won the 1984 Presidential election. And in sociology you might be asked to predict the effect that changes in Social Security legislation would have on senior citizens.
22. Determining causes and effects is usually thought-provoking and quite complex. One reason for this is that there are two types of causes: immediate causes, which are readily apparent because they are closest to the effect, and ultimate cause, which, being somewhat removed, are not so apparent and perhaps even hidden. Furthermore, ultimate causes may bring about effects which themselves become immediate causes, this creating a causal chain. For example, consider the following causal chain. Sally, a computer salesperson, prepared extensively for a meeting with an important client (ultimate cause), impressed the client (immediate cause), and made a very large sale (effect). The chain did not stop there: The large sale cause her to be promoted by her employer (effect).
A second reason why causal analysis can be so complex is that an effect may have any number of possible or actual causes, and a cause may have any number of possible or actual effects. 23. An upset stomach may be caused by eating spoiled food, but it may also be caused by overeating, flu, allergy, nervousness, pregnancy, or any combination of factors. Similarly, the high cost of electricity may have multiple effects: higher profits for utility companies, fewer sales of electrical appliances, higher prices for other products, and the development of alternative sources of energy. Sound reasoning and logic are central to any causal analysis. Writers of believable causal analysis examine their material objectively and develop their essays carefully. They are convinced by their own examination of the material, but are not afraid to admit other possible causes and effects.
Because people are accustomed to thinking of causes with their effects, they sometimes commit an error in logic known as the "after this, therefore because of this" fallacy. 24. This fallacy leads people to believe that because one event occurred after another event, the first event somehow caused the second. That is, they sometimes make causal connection that are not proved. For example, if students began to perform. better after a free breakfast program was instituted at their school, one could not assume that the improvement was caused by the breakfast program. There could of course be any number of other causes for this effect, and a responsible writer on the subject would analyze and consider them all before suggesting the cause.
(21)
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The author's purpose in writing the text is
A．to indicate the way genetic testing works.
B．to show the power of one's genetic makeup.
C．to introduce genetic testing and its function.
D．to reveal the influence of the environment on genes.
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What is the author's purpose in writing this passage？
A．To remind people of the need of sustainable development.
B．To suggest ways of ensuring sustainable food production.
C．To advance new criteria for measuring farming progress.
D．To urge people to rethink what sustainable agriculture is.
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According to the woman, why might some people not want to live in the music house？
A．It is rarely quiet．
B．It is not conveniently locateD
C．All of the residents are required to participate in house activities．
D．All of the residents must be enrooled in a music class．
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Which hook might be thought by the author as having the least value？
A．The Art of War.
B．Leadership Secrets of Attila the Hun.
C．The Fine Art of Success.
D．Why I Write.
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Why might the author have written this passage（）
A．To tell people what a healthy diet actually is
B．To prove people's diets are increasingly unhealthy
C．To encourage people to cut down on processed food
D．To introduce some experts on the research team
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What is the purpose of the author in writing the passage？
A．To call on people to reduce carbon footprints.
B．To offer tips on how to live a low-carbon life.
C．To introduce the research on carbon footprints.
D．To clear up misunderstandings about carbon emission.
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The author's purpose of writing this passage is to（）
A．tell us his own experience in life
B．tell us how to find peace of mind
C．tell us a happy trip he took with his children
D．ask us to see things from both sides
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The book tells us about the author's life about writings（）
A．also
B．as much as
C．as well as
D．as well
