策划是一个()的过程。
A．动态
B．静态
C．论证
D．理论
参考答案：A
She is a diligent student, and all her spare time she has staying in the library．
A．is spent
B．spent
C．to spend
D．to be spent
等级G与主观上对不舒适感觉评价有相应关系，当G=( )时，其相应关系为满意。
A．1B．2C．5D．7
