根据句意和首字母填入所缺单词。

1.  Is your father f__________ or busy now? I want to visit him.

2.  -When shall we have a sports meeting?

     -The day after ___________.

3.  The man with w__________ our teacher is talking is my father.

4. Tom's father is a pianist. He gave us a piano c__________ last month. It was wonderful.

5.  He knows nothing about c__________.  He doesn't even know what H20 is.

6.  I think L__________ Two is much easier than any other lesson.

7.  I'm free tomorrow.  Can you come __________to my house?

8.  I stayed up doing my homework __________twelve o'clock last night.

根据《产品质量法》的规定，下列各项中不属于缺陷产品生产者免责情形之一的是( )。

A．产品尚未投入流通
B．投入流通时缺陷尚不存在
C．包装上明确标明为处理积压产品
D．投入流通时的科技水平尚不能发现缺陷存在