Here’s an amazing way to get a hard-boiled egg into a bottle, even though the mouth of the boiled is smaller than the egg! What’s more, you don’t even need to touch the egg to get it to go in!

For this experiment you will need:

·a hard-boiled egg

·a glass bottle with a mouth just slightly smaller than the egg (a fruit-drink bottle works well)

·a 8-cm by 8-cm(3-inch by 3-inch)piece of newspaper

·a match

Remove the shell from the egg. Set the egg on the mouth of the bottle to see that the egg does not fit through the mouth.

Light the paper. Remove the egg from the mouth of the bottle and drop the burning paper into the bottle. Before the fire goes out, set the egg back onto the mouth of the bottle. Within a few seconds the egg will squeeze(挤) through the mouth and into the bottle.

As it entered the bottle, the egg may have broken into pieces. This happens when the diameter(直径) of the egg is more than about 0.5 cm(about 3/16 inch) larger than the diameter of the bottle’s opening.

Why does the egg slide into the bottle, even though no one is pushing it? Because the pressure of the air is pushing it. Before the burning paper is put into the bottle, the pressure of the air inside is the same as outside. The burning paper, however, heats the air inside. This causes the air inside to expand. When the egg is placed on top of the bottle, it seals(封住) the bottle. When the fire goes out, the air inside cools. As it cools, the air contracts(紧缩), and the pressure of the air inside becomes less than the pressure outside. Then, the higher outside pressure pushes the egg into the bottle!

1.The best title of this passage can be      .

2.What don’t you need in this experiment?

3.Why will the egg break into pieces while entering the bottle?

4.What is the most important to get the egg into a bottle?

短文改错（共10小题；每小题1分，满分10分）

此题要求改正短文的错误，对标有题号的每一行做出判断，如无错误，在该行右边的横线上打一个勾（∨）；如有错误（每行只有一个错误），则按下列情况改正：

此行多一个词：把多余的词作斜线（\）划掉，在该行右边横线上写出该词，并也用斜线划掉。

此行缺一个词：在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。

此行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。

注意：原行没有错的不要改。

短文改错

书面表达（满分25分）

一澳大利亚学生代表团将来你校参观,学校安排你班负责接待。假设你是班长，请你根据下面的内容提示，用英语写一篇口头通知稿，将此事告知全班。

参观日期：2009年7月10日（星期五）。

参观人数：约30人。

参观时间：上午9：00至11：00。

具体安排：①7月10日早晨8：45 在校门口集中，欢迎来访的澳大利亚客人。

②带领客人参观校园、实验楼、教学楼和学生宿舍。

③10：00 在操场进行篮球友谊赛。

④客人11：00 离校。

注意事项：①着装校服。

②接待客人热情有礼貌。

③用英语交谈。

注意：1.词数100词左右。

2.注意口头通知格式。

3.参考词汇：接待：reception; 宿舍：dormitory

The central government is calling on the whole nation to make efforts to build

       harmonious society and       new socialist countryside．

A．a；the          B．a；a         C．the；ｘ         D．ｘ；the    

— Never thought to see you here!

—        

A. It’s a small world.                    B. So did I.  

C. Oh, haven’t you?                     D. Glad to meet you.

— This is the first time I       my first picture with my own hands．

— It is time that you        a picture for me．

A．took; took ?                                      B．have taken; took 

C．took; will take?                                         D．will take; have taken

 If you want to correct your composition, you’d better be more careful        I have crossed out paragraphs for you.

A. that               B. when              C. what            D. where

Most of the representatives raised a question at yesterday’s meeting,        needs       urgently.

A. that; to be solved                   B. the one that; solved

C. one which; solving                  D. what; solving

— You just think of yourself! You kept me waiting for at least three hours.

— I am sorry that you        think so.

A．should         B．would        C．might         D．could 

       , all the quarrels came to an end.

A. The lost money was found            B. Was the lost money found

C. Because the lost money found         D. With the lost money found