普通集中式空调系统的主要优点是什么？

某市房地产开发企业建造一栋写字楼并全部出售，取得销售收入8000万元。建造此栋写字楼支付地价款和相关的过户手续费1800万元，发生土地拆迁补偿费300万元，“三通一平”费400万元，建筑安装工程费2000万元，基础设施费500万元，资本化的利息支出100万元，装修费支出100万元，与该写字楼相关的销售费用800万元，管理费用600万元，财务费用600万元。则该房地产开发企业在土地增值税清算时，允许扣除的房地产开发成本为（）万元。

A．700

B．1200

C．3300

D．3600

菜单锅筒纵置式锅炉，采用推动炉排炉，额定热功率为1.4MW，允许工作压力为0.7MPa，出水温度为95℃，进水温度为70℃，燃用二类烟煤，其型号表示法应为( )。

A．DZW 1.4—70/95/0.7—AⅡ

B．DZW 1.4—0.7/95/70—AⅡ

C．DLW 1.4—70/95/0.7—AⅡ

D．DLW 1.4—0.7/95/70—AⅡ

某患儿出生时体重为3.2kg，生后7个月的体重为

A．6.4kg

B．7.0kg

C．7.8kg

D．8.4kg

E．8.8kg

Seventeen-year-old Quantae Williams doesn’t understand why the U. S. Supreme Court struck down his school district’s racial diversity program. He now (61) the prospect of leaving his mixed-race high school in suburban Louisville and (62) to the poor black downtown schools where he (63) in fights. "I’m doing (64) in town. They should just leave it the (65) it is," said Williams, using a fond nickname for suburban Jeffersontown High School, (66) he’s bused every day from his downtown neighborhood. "Everything is (67) , we get along well. If I go where all my friends go, I’ll start getting in trouble again," Williams said as he took a (68) from his summer job (69) clothing (70) for poor families.

Last month’s 5-4 ruling by the Supreme Court struck down programs that were started voluntarily in Louisville and Seattle. The court’s decision has left schools (71) the country (72) to find a way to protect (73) in their classrooms. Critics have called the decision the biggest (74) to the ideals of the 1954 Brown vs. Board of Education (75) , which outlawed racial segregation in U. S. public schools. With students already (76) to schools for the (77) year that begins in September, (78) will be immediately affected by the Supreme Court decision. In Jefferson County, officials said it could be two years (79) a new plan is (80) place, leaving most students in their current schools.

75（）

A.academic

B.scholarly

C.educational

D.pedagogical