(练习)课时分层作业12 UNIT 4 Section Ⅳ Writing of the Unit-【提分教练】2023-2024学年新教材高中英语选择性必修第四册(人教版2019)

课时分层作业(十二) Ⅰ．阅读理解 A For decades, the homework standard has been a “10-minute rule，” which recommends a daily maximum of 10 minutes of homework per grade level． But some schools have begun to give their youngest students a break．A Massachusetts elementary school has announced a no-homework pilot program for the coming school year, lengthening the school day by two hours to provide more in-class instruction．“We really want kids to go home at 4 o'clock, tired，” Kelly Elementary School Principal Jackie Glasheen said．“We want them to enjoy their families．We want them to go to soccer practice or football practice．” New solutions and approaches to homework differ by community, and these local debates are complicated by the fact that even education experts disagree about what's best for kids． The most comprehensive research on homework to date comes from an analysis by Duke University professor Harris Cooper, who found evidence of a positive correlation (相关) between homework and student achievement, meaning students who did homework performed better in school．Cooper's analysis focused on how homework impacts academic achievement—test scores, for example．The correlation was stronger for older students—in seventh through 12th grade—than for those in younger grades, for whom there was a weak relationship between homework and performance． Despite the weak correlation between homework and performance for young children, Cooper argues that a small amount of homework is useful for all students．Second-graders should not be doing two hours of homework each night, he said, but they also shouldn't be doing no homework． However, Cathy Vatterott, an education professor at the University of Missouri-St．Louis, thinks there is not sufficient proof that homework is helpful for students in elementary school．“Correlation is not causation，” she said．“Does homework cause achievement, or do high achievers do more homework？” Vatterott thinks there should be more emphasis on improving the qualit