D
Providing small classes for at least several grades starting in early primary school gives students the best chance to succeed in late grades, according to groundbreaking new research from a Michigan State University scholar.
The research by Spyros Konstantopoulos, a professor of education, is the first to examine the effects of class size over a period and for all levels of students. The study appears in the American Journal of Education.
He is also a member of a group for the Department of Education’s Instiute of Education Sciences that will give official advice on class size to the states. He said the advice will mirror his research: the best plan is to provide continuous small classes(13 to 17 students) for at least several years starting in kindergarten or first grade.
“For a logn time states thought they could just do it in kindergarten or first grade for one year and get the benefits,” He said. “I don’t believe that. I think you need at least a few years in a row where all students, and especially low-achievers, receive the treatment, and then you see the benefits later.”
His research used data from the Project Star study in Tennessee that analyzed the effects of class size on more than 11,000 students in primary and middle school. He found that students who had been in small classes from kindergarten through third grade had actually higher test scores in grades four through eight than students who been in larger classes early on.
Students from all achievement levels benefited from small classes, the research found. “But low-achievers benefited the most, which narrowed the achievement gap with high –achievers in science, reading and math, ” he said.
Although the study didn’t consider classroom practices, he said the reason for the narrowing gap is likely due to low-achieving students receiving more attention from teachers.
“This is especially important in poorer schools because teacher effectiveness matters more in schools with more disadvantaged and low-performing students, ” he said.
48.The professor argues about ________ .
A.the size of the class
B.the period of the class
C.the attention from teachers
D.the achievements of students
49.The result of the research shows that _________.
A.small classes for one year in early grade are enough
B.continuous small classes help students achieve more
C.it’s best to attend small classes in kindergarten
D.small classes do equal good to students of all levels
50.What can we infer from the passage?
A.High achievers will not benefit from small classes.
B.Continuous small classes have not been widely accepted.
C.Low-achievers should be separated from high-achievers.
D.Teachers’ attention matters less than classroom practices.
51.The underlined word “This” in the last paragraph refers to _______.
A.the gap between low and high achievers
B.continuous small classes
C.classroom practices in later grades
D.the Project Star Sturdy
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A. improving worker's houses
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C. preventing men from getting drunk
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A. into a rich family B. into a noble family
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A. he lost all his money
B. he did not buy enough land
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1.Which of the following is NOT done by satellites according to the passage?
A. Sending information for weather forecast B. Taking photographs of the Earth
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A.35,880 kilometers per hour B.335,880 kilometers per hour
C.11,000 kilometers per hour D.110,000 kilometers per hour
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C.A satellite seems to stay in the same place in the sky
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4.Which is true of satellites?
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C. A broken satellite is never left in space.
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Computer connections of the World Wide Web and Internet also use satellites. Many of our TV programs come to US through satellites.Airplane pilots also sometimes use a satellite to help them find their exact location.
We use satellites to send television pictures from one part of the world to another.They are usually 35,880 kilometers above the equator.Sometimes we can see a satellite in the sky and it seems to stay in the same place.This is because it is moving around the world at 11,000 kilometers an hour—exactly the same speed that the earth rotates.A satellite must orbit the Earth with its antennae(天線)facing the earth.Sometimes, it moves away from its orbit,So there are little rockets on it which are used to put the satellite back in the right position.This usually happens about every five or six days.
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A. Sending information for weather forecast B. Taking photographs of the Earth
C. Sending TV pictures D. Providing food for airplane pilots
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A.35,880 kilometers per hour B.335,880 kilometers per hour
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A.A satellite
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