根据所给汉语完成句子。

1. It’s a blue              (夹克衫) .

2. He is my              (朋友).

3. This              (直尺) are black.

4.               (她) is his mother .

5. My brother is             (六) years old.

6. I             (看) TV  at home .

7. Thanks for the              (照片) of your family.

8. Gina is a good             (女孩)  .

9. Are they your              (钥匙)?

10. Please bring these books to your              (妹妹).

能够用货币计量的经济活动称为( )

A．资金活动

B．管理活动

C．经济业务

D．非经济业务