人的智力呈___________分布。

阅读理解

My name is Liu Ying. Now, I want to say something about my father. My father is a doctor. He works in a children's hospital. I don't know much about his work. I just know he is very busy every day. He works five days a week, from Monday to Friday. Sometimes he works on Saturdays or Sundays. He gets up early in the morning. He cooks breakfast for my family. Afterbreakfast he goes to work at seven o'clock. He has lunch in the hospital. He comes back home at about six thirty. My mother cooks dinner. After dinner my father often goes out for a walk. Beforehe goes to bed, he often reads some newspapers or watches TV. He goes to bed very late.

根据短文内容完成下表 Liu Ying’s father’s schedule(时间表) Job (1)__________ 7:00am (2)__________ 6:30 (3)__________ After dinner (4)__________ Before sleeping (5)__________

下列离子方程式正确的是[ ]

A．向NaOH溶液中通入过量的CO₂：CO₂+2OH^-=CO₃^2-+ H₂O

B．Na₂O₂和H₂O反应：Na₂O₂+H₂O=2Na⁺ +2OH^- +O₂↑

C．Cl₂和H₂O反应：Cl₂+H₂O=2H⁺+Cl^- +ClO^-

D．实验室制Cl₂：4H⁺+ 2Cl^-+MnO₂Mn²⁺+Cl₂↑+2H₂O

赵某拥有两处房产，一处原值60万元的房产供自己及家人居住，另一处原值20万元的房产于2009年7月1日出租给王某用于生产经营，按市场价每月取得租金收入1200元，赵某当年应缴纳的房产税为( )元。

A．288

B．576

C．840

D．864

无级调速机车如何整定牵引发电机的最大励磁电流和测速发电机最小励磁电流？

(三)

A企业2010年3月以每台不含税售价4000元销售冰箱100台，采用以旧换新方式销售冰箱50台，每台实收3500元，企业按照575000元计人该月销售额。B超市是一般纳税人，2010年3月，开具专用发票销售商品，取得不含税销售额为200000元，开具普通发票销售商品取得含税销售额为1170000元。小规模纳税人C，2010年3月，填开普通发票销售货物，销售收入为51500元。

B超市该月增值税的销售额为( )元。

A．1000000

B．1200000

C．1100000

D．200000