3．对于集合当时，你是否注意到一个极端情况：或,求集合的子集时,是否忘记了?当研究的时候, 你是否考虑到的情形?当时, 你是否注意到的情形?

2．数形结合是解集合问题的常用方法：解题时要尽可能地借助数轴、直角坐标系或韦恩图等工具，将抽象的代数问题具体化、形象化、直观化，然后利用数形结合的思想方法解决；

1．理解集合中元素的意义是解决集合问题的关键：弄清以及数集中元素是函数关系中自变量的取值？还是因变量的取值？还是曲线上的点？… ；看清描述法表示的集合中的元素是数集还是点集。

第三节　书面表达(满分30分)

Suppose you want to buy a MP3, but you do not have enough money. In 100 words make a plan to solve this financial(经济的) problem. your writing should include:

1.　　 how much money you need;

2.　　 from where to get money;

　第二节 短文改错(共10小题；每小题1分，满分10分)

　Dear classmates,

　Now I ’d like to tell you why I learn English. I often　　　 　　　　　　　 1.

　read English aloud and try to learn something important　　　　　　　　　　 2.

　by heart, it helps me remember it easily and forms　　　　　　　　　　　　 3.

　good habit of thinking in English. I listen a lot and　　　　　　　　　　　　　 4.

　talk with others in English. In this way, I was improved　　　　　　　　　　 5.

　my spoken English. I keep a diary in English every day but　　　　　　　　　 6.

　my writing English is becoming better and better. I also try　　　　　　　　　 7.

　my best to master the necessary grammar. With this means,　　　　　　　 8.

　I can express myself in English correct. That’s the way I　　　　　　　　　 9.

had been learning English. I hope it will be useful to you.　　　　　　　 10.

That’s all. Thank you.

第二节　　 单词拼写(共10 小题；每小题1分，满分10分)

　1.I found it hard to keep my b_______ on the icy path and so I fell over.

　2.Yesterday evening we _____(出席，参加) the concert, which was really a success.

　3.I haven’t seen you for so many years that I can hardly r _________you.

　4.He was so angry that he could hardly c______ himself.

　5.It is ________(慷慨的) of you to pay for our travel.

　6.New Zealand is s________ by the Pacific Ocean to the north and east.

　7.What you learn from practice has much e_____ on your character training.

　8.A　　　　　 (某个，某些)Mr. Brown called to see you.

　9.The new shop across the road has taken away some of my best ________(顾客).

　10.The whole class is d_______ into four groups.