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货物名称：按贸易合同或发票所列货物名称所对应国家检验检疫机构制定颂的《检验检疫商品目录》所列货物名称填写。()
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报检单位：指向检验检疫机构申报检验、检疫、鉴定业务的单位。()
A．Because it was one of the first tools.B．Because it developed human capacities.C．Beca
A．She thinks AC Milan is better at their attacker.B．She thinks AC Milan and the team o
Section B
Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You should decide on the best choice.
The first American public high school, established in Boston in 1821, was only for boys. But as the high-school movement spread, new schools quickly became coed. "Almost right from the beginning, society believed in integration by sex." says David Tyack, an education historian at Stanford University. Now a small group of educators—encouraged by studies that show boys and girls learn differently—are turning to single-sex classrooms as a way to re engage students, especially in low-income communities. One of the first to gain national attention was the Young Women's Leadership School in New York's East Harlem, now considered one of the best public schools in the city. Research on the effect of single-sex schools is mixed, and there are no studies on single-sox classrooms in schools. Experts who study single-sex schools say there's considerable evidence that smaller class sizes would help just as much, especially for middle-class kids. But for boys from poor families, that extra attention and focus can make a difference, says Cornelius Riordan, a sociology professor at Providence College who is directing a study on single-sex schools for the U.S. Department of Education.
Schools all over the country are experimenting with the idea. At Lloyd Memorial High School in Erlanger, Ky., freshmen and sophomores were separated by gender last fall for all classes except one, their elective. At the end of the year, the consensus among teachers and the principal is that single-sex works. Students have mixed views. "You don't have the distraction of boys sitting in your classroom," says Katie Brown, "You can just come to class and you're actually in it to learn, not to impress." But after a joyful all-boys science class (the centerpiece was a generator sending off electric sparks), 14-year-old Zack Craddock thought he would have had just as much fun if there were girls in the class. "I think it's personal," he says. "Some guys would have acted the same and some guys would have acted different. I would have been the same."
Principal John Riehemann originally backed the idea as a way to help boys, who were consistently lagging be hind in reading. One issue: too much of the material was girl-oriented. That led to the even more radical move of separating almost all classes. Riehemann said there were no objections from parents or teachers, and the experiment has worked so well that they're expanding it to juniors in the fall.
According to David Tyack, the popular belief in education is that ______.
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