投资控制目标设置的基本原则是既要有( )，又要有实现的可能性，还必须有科学依据。
A．科学性
B．预测性
C．依赖性
D．先进性
参考答案：D
They are considering______ they should do the experiment .
A．weather
B．that
C．whether
D．what
I don’t want to express any opinions on the plan until it has been _________.
A．tried out
B．watched out
C．come out
D．let out
