A:国债筹资安全性强,股票筹资风险性大
B:国债筹资的成本低,股票筹资的成本高
C:国债属于财政收入,股票属于企业资金
D:国债以固定利息为收入,股票以获取股票差价为收益
圆外切等腰梯形一腰长为5cm,则梯形的中位线长为( )
(2015.福建莆田)
Enjoy Harvesting
Want to relax yourself?
Want to experience country life?
Come and pick litchi!
Free for a taste.
Price:¥20 per kilo Dates: July 20th-July 28th
Add: Changlin village Tel:277-8688
Fitness Band on sale
Smartwatches without the watch
Monitor speed, time, distance, caloties burned, etc.
Long battery(电池)life (5 days)
¥800 (20% off for students)
Tel:289-6799
Visit Sam Mall for more information.
Ice and Snow Festival
Charming Ice Carving
Amazing World of Ice and Snow
Welcome to Fenghuang Park!
Dates: July 1st -July 25th
¥20 for each adult (half for each student)
Tel:288-6299
Super Pillow(枕头)Fight Party
Pillow Fight, a popular activity among young foreigners, has now come to Putian. It's a creative way to release(释放) pressure and stress.
Place:Putian Stadium
Time:2:30-5:00pm, June 28th
Fee:¥50 (pillow included)
Tel:275-6588
如图,三角形ABC是等腰直角三角形,∠B=90°,AB=1,直线l经过点C且与AB平行,将三角形ABC绕直线l旋转一周得到一个几何体.
(1)求几何体的表面积;
(2)求几何体的体积.
关于宇宙,下列认识不正确的( )
纸币是当今世界各国普遍使用的货币形式,而世界上最早的纸币,出现在中国的( )