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问题 填空题

计算：[4（a-2）2+12（a+2）（a-2）-8（a-1）2（a-2）]÷4（a-2）=______．

答案

[4（a-2）2+12（a+2）（a-2）-8（a-1）2（a-2）]÷4（a-2），

=[4（a-2）2+12（a+2）（a-2）-8（a-1）2（a-2）]÷4（a-2），

=4（a-2）[（a-2）+3（a+2）-2（a-1）2]÷4（a-2），

=（a-2）+3（a+2）-2（a-1）2，

=a-2+3a+6-2+4a-2a2，

=-2a2+8a+2．

阅读理解

阅读理解。

     Here is a poster of the Youth Sports Club. Read it and answer the questions. Youth Sports Club Sport

of the Month: Tennis

11:00 a.m. ~ 7:00 p.m.

Ticket price for each event:

★$100 a person

★$50 a person for groups with over 15 persons 

poster 海报 event 活动

1. Mr. Brown, a PE teacher, took his students to the club. There they watched early tennis games and

learned about the history of the sport. When did they most likely visit the club?

likely  可能地

A. February 6.

B.  February 13.

C.  February 20.

D. February 27.

2. Mr. Brown paid $1,050 for the tickets. How many students did he take with him?

A.  25.

B.  20.

C.  15.

D.  10.
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单项选择题

对于烹饪，下面哪种说法不对（）。

A.品质好的原料，是做好菜的基础。

B.只要师傅手艺好，可以化腐朽为神奇。

C.营养丰富的原料，容易因微生物的繁殖而腐败变质。

D.原料在生长、采收，加工、运输销售过程中受到污染就不能采用。
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