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Top scores made by Chinese teenagers in a recent global academic test indicate the British government has made a  good move by importing the Shanghai-style math mastery method into English schools over the last five years. In the latest Program for International Student Assessment, commonly known as PISA, run by the Organization for Economic Cooperation and Development, 15-year-oldstudents from Beijing, Shanghai, Jiangsu and Zhejiang,out performed their peers from the other 78participating education systems in mathematics and science by a wide margin. In reading comprehension scores, only Singapore came close.
In fact, 10percent of the most disadvantaged students in these four regions of China — that have a combined  population of about 180million — showed better reading skills than those of the average student in all the countries of the Organization for Economic Cooperation and Development, or OECD, and performed on a par with 10 percent most advantaged students in some of them.
Chinese mainland students first took part in the tests in2009, when students from Shanghai ranked top, and the city also claimed the top spot again in the 2012 PISA test, when students from the UnitedKingdomranked26 in math. The PISA rankings triggered global interest in Chinese methods, and as a result Britain increased exchanges with  Chinese teachers and schools to find out how to improve quality.
Nearly 600 teachers, from both England and China, mainly from primary schools, have engaged in the exchange   since 2014, and approximately 5,000 of Britain’s 16,000primary schools have adopted the Shanghai math teaching method.
Experts have said Shanghai’s continuous good results in math have underlined the value of understanding what lies behind China’s success and seeing what is applicable in other contexts.
David Johnson, a reader of comparative and international education at the University of Oxford, said: “Any example of success, good performance elsewhere, is something any country should look seriously at. ”
“It is a justifiable reason to look at China very seriously in terms of how it performs in mathematics and that was the absolute right thing to do,”he said.
Mark Boylan, professor of education at Sheffield Hall am University, said: “Chinese success inPISA2009 and2012 led the English Department for Education to develop a teacher exchange program to learn from and adopt  mathematics teaching methods from Shanghai. ”
“The ongoing success inPISA2018 is likely to encourage policymakers in England to continue and enhance the  links with China,” said Boylan, who led the evaluation of the Mathematics Teacher Exchange. “This approach has now spread beyond mathematics to literacy. Chinese success in the PISA reading tests may further encourage these developments. ”
The assessment is carried out every three years and involves more than500,000 students across the world taking two- hour tests.
In the latest 2018PISAtest, students from the four regions in China scored an average of 591points in math, more  than 100 points higher than OECD average, whereas the British students obtained an average score of 502, jumping from27ththree years ago to 18th in the international ranking for math.
While welcoming the PISA result, the National Centre for Excellence in the Teaching of Mathematics, said: “It is   too early to draw any direct link between the results and the changes to math teaching in English schools. ”Johnson said, although a strong correlation between the Shanghai exchange program and the improved performance of the English students cannot necessarily be drawn, “it does look like, at least on the face of it, that the teachers    who have participated are reasonably comfortable and happy to continue to use the methods. ”
39. What do we know about the results of the latest PISA?
A. Students from Singapore were second to none in reading comprehension.
B. Students from the United Kingdom were good at reading comprehension.
C. Students from China had an edge over others in mathematics and science.
D.Students from Britain remained unchanged in the international ranking for math.
40.According to David Johnson, which of the following is TRUE?
A. Shanghai exchange program guarantees British students math improvement.
B. Chinese teachers tend to take students’ performance in mathematics seriously.
C.Policymakers in the UK are expected to strengthen the links with Chinese schools.
D.Teachers involved in the exchange program are likely to advocate Shanghai methods.
41. The author organizes the passage by______.
A. Stating opinions                              B.telling stories
C.analyzing causes and effects                     D.reasoning and concluding

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