閱讀下面短文并回答問題，然后將答案寫到答題卡相應(yīng)的位置上（請注意問題后的詞數(shù)要求)。

Basic Math introduces students to the basic concepts of mathematics，as well as the fundamentals of more tricky areas．These 30 fantastic lectures are designed to provide students with an understanding of arithmetic and to prepare them for Algebra(代數(shù)) and beyond.

The lessons in Basic Math cover every basic aspect of arithmetic．They also look into exponents(指數(shù))，the order of operations，and square roots．In addition to learning how to perform various mathematical operations，students discover why these operations work，how a particular mathematical topic relates to other branches of mathematics，and how these operations can be used practically.

Basic Math starts from the relatively easier concepts and gradually moves on to the more troublesome ones，so as to allow for steady and sure understanding of the material by students．The lectures offer students the chance to “make sense” of mathematical knowledge that may have seemed so frightening．They also help students prepare for college mathematics and overcome their anxiety about this amazing—and completely understandable—field of study.

By the conclusion of the course，students will have improved their understanding of basic math．They will be able to clear away the mystery of mathematics and face their studies with more confidence than they ever imagined．In addition，they will strengthen their ability to accept new and exciting mathematical challenges.

1.For what purpose is the passage written? (within 6 words)

2.What does the author mean by the underlined word ‘beyond’ in paragraph 1? (within 5 words)

3.How many lectures will you attend if you join in the course? (within 2 words)

4.How will the lectures be arranged? (within 6 words)

5.Why at the end of the course will students be able to face their later studies with confidence? (within 10 words)

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New crime prediction software should reduce not only the murder rate, but the rate of other crimes. Developed by Richard Berk, a professor at the University of Pennsylvania, the software has already used in Baltimore and Philadelphia to predict which individuals on probation(緩刑) or parole(假釋) are most likely to murder and to be murdered.

“When a person goes on probation or parole he is supervised(監(jiān)督) by an officer. The question is ‘what level of supervision is appropriate?’” said Berk. It used to be that parole officers used the person’s criminal record, and their judgment to make decisions.

“This research replaces those seat-of-the –pants calculations,” he said.

Technology helps determine level of supervision. On average there is one murder for every 100,000 people. Even among high-risk groups the murder rate is one in 100. Predicting such a rare event is very difficult, but advances in computer technology works.

Years ago, the researchers made a dataset of more than 60,000 various crimes. Using the software they developed, they found some much more likely to commit murder when paroled or probated. They could identify eight future murderers out of 100.

Berk’s software examines roughly two dozen variables(可變因素), from criminal record to geographic location. The type of crimes, and more importantly, the age at which that crime was committed, were two of the most predictive variables.

“People assume that if someone murdered then they will murder in the future,” said Berk. “What really matters is what that person did as a young individual. Predicting future crimes sounds well. But we aren’t anywhere near being able to do that.”

“Berk’s scientific answer leaves policymakers with difficult questions. By labeling one group of people as high risk, and supervise them closely, there should be fewer murders, which the potential victims should be happy about. It also means that those high-risk individuals will be supervised more aggressively. For human rights advocates, that means punishing people who, most likely, will not commit a crime in the future,” said Bushway. “It comes down to a question of whether you would rather make these errors or those errors.”

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A. calculations based on subjective opinions

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D. calculations based on serious considering

2.From Para 7, we can infer that______.

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B. the technology would not be widely accepted in the short term

C. whether a person murders or not largely decided by his upbringing while young

D. if a person murdered when he was fifty, he is sure to murder again while on probation

3.Bushway’s attitude to the technology put forward by Richard Berk is ____.

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注意：詞數(shù)不少于60。

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