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【简答题】
（选做题） 已知直线l的参数方程为 （t为参数），曲线C的参数方程为 （θ为参数）。 （I）将曲线C的参数方程转化为普通方程； （II）若直线l与曲线C相交于A、B两点，试求线段AB的长。
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【单选题】What benefits will donors get from the new policy on charity?
A.
Compensation.
B.
Official commendation.
C.
Tax deductions.
D.
Less procedures.
【简答题】Obviously, recruiting voluntary bone marrow donors in mainland China is___________
【简答题】A．animation or sound B．animation and sound C．animation and be run D．animation and be loaded
【单选题】关于animation的叙述错误的是( )。
A.
animation-name规定需要绑定到选择器的 keyframe 名称
B.
animation-duration规定完在动画开始之前的延迟
C.
animation-timing-function定义速度曲线
D.
animation-direction规定是否应该轮流反向播放动画。
【单选题】Blood donors are advised to contact______.
A.
Berkshire county office.
B.
St John Ambulance.
C.
John Radcliffe Hospital.
D.
Royal Berkshire Hospital.
【简答题】What will donors receive for the sums of money they donate?
【简答题】A．animation or sound B．animation and sound C．animation and be run D．animation and be loaded
【单选题】Which of the following can be inferred from the passage?
A.
Donors who want to claim deductions 'in taxes don't have to go through complex procedures from now on.
B.
The Law of Charity will be promulgated this year.
C.
China's charity development sill has a long way to go.
D.
It is as easy establishing charity or public welfare organizations as registering businesses now.
【简答题】____donors want to back entrepreneurs who have initiative.
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