可以从不同角度对投入产出关系进行评价，其中侧重于主观的方面，强调合乎目的的程度的是（）
A.效率
B.效果
C.效益
D.成效
参考答案：B
改错。（请在题前的括号中写出错误的选项，并在横线上写出正确的答案）
（ ） 1. They are your English book.
A B C D
（ ） 2. My shoes are brown. He shoes are black .
（ ） 3. You can take the books to home.
（ ） 4. Jack can't singing or dance.
（ ） 5. He's waiting to her now .
（ ） 6. We don't have lessons in today.
（ ） 7. Do they play games every day? Yes, they are.
（ ） 8. Not chat with your friend now.
（ ） 9. What's this? It's my a sweater .
（ ） 10. I and Millie are in the same class.
_______ she did was right. So everyone always believed(in)her.
A．What
B．Whatever
C．How
D．When
