题目内容
14．Which of the following can we use in a formal letter？（ ）| A． | Dear sir | |
| B． | He's such a cool boy and is always in． | |
| C． | He's our monitor． | |
| D． | Cheers! |
分析 在正式信函中我们可以使用以下哪一项？
解答 答案：A．考查英文常识．A亲爱的先生．B，C选项：正式信件中不出现缩写，He's 写He is．D干杯，喝酒时用语．因此在正式信函中我们可以使用Dear sir，答案是A．
点评 英文常识题，要抓住关键词，充分理解句意，根据实际情况作出判断．
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4．Twentieth Century Inventions
●●●1903-The first flight succeeded．
In 1900，Wilbur Wright said flight was possible for man．After much work he and his brother Orville Wright made this dream come true．
On December 17，1903，the brothers made the first successful airplane flight on a windy beach at Kitty Hawk，North Carolina．The brothers'plane flew 120feet．Although the flight lasted only 12seconds，it moved the course of history in a new direction．
●●●1935-Nylon was invented．
In 1928，a new chemical lab was opened to make a kind of man-made materials．Wallace Carothers took part in the team when he was 32years old．
In 1934，he made fibers （纤维），but the fibers were quite weak．He didn't give up．After many experiments，he produced the long and strong fibers in 1935．They named the fibers"nylon"．Carothers was very satisfied with his work．
Nylon hit the markets in 1939，and quickly became a replacement of silk．But it was a pity that he didn't see the wide use of his invention．He died in April，1937．
●●●1968-The computer mouse was first shown in public．
As a graduate student，Douglas Engelbart began to imagine ways in which all sorts of information could be on screens．
In 1964，Douglas Engelbart made the first computer mouse．The computer mouse had a wooden shell with two metal wheels．
In 1968，the first computer mouse appeared in public．It was named"mouse"because a tail came out at the end．In later years，the computer mouse became more and more important．
Douglas Engelbart changed the way that computers worked．
Now computer mice are becoming increasingly useful．And there are many different shapes of computer mice in the world．
根据文章内容，完成下列表格．
●●●1903-The first flight succeeded．
In 1900，Wilbur Wright said flight was possible for man．After much work he and his brother Orville Wright made this dream come true．
On December 17，1903，the brothers made the first successful airplane flight on a windy beach at Kitty Hawk，North Carolina．The brothers'plane flew 120feet．Although the flight lasted only 12seconds，it moved the course of history in a new direction．
●●●1935-Nylon was invented．
In 1928，a new chemical lab was opened to make a kind of man-made materials．Wallace Carothers took part in the team when he was 32years old．
In 1934，he made fibers （纤维），but the fibers were quite weak．He didn't give up．After many experiments，he produced the long and strong fibers in 1935．They named the fibers"nylon"．Carothers was very satisfied with his work．
Nylon hit the markets in 1939，and quickly became a replacement of silk．But it was a pity that he didn't see the wide use of his invention．He died in April，1937．
●●●1968-The computer mouse was first shown in public．
As a graduate student，Douglas Engelbart began to imagine ways in which all sorts of information could be on screens．
In 1964，Douglas Engelbart made the first computer mouse．The computer mouse had a wooden shell with two metal wheels．
In 1968，the first computer mouse appeared in public．It was named"mouse"because a tail came out at the end．In later years，the computer mouse became more and more important．
Douglas Engelbart changed the way that computers worked．
Now computer mice are becoming increasingly useful．And there are many different shapes of computer mice in the world．
根据文章内容，完成下列表格．
| 56．Inventor | Invention | Time | Influence |
| Wilbur Wright and his brother | airplane | 1903 | 57．The airplane moved the course of history in a new direction |
| Wallace Carothers | nylon | 1935 | 58．Nylon became a replacement of silk |
| Douglas Engelbart | 59．the computer mouse | 1964 | 60．The computer mouse changed the way that computer worked |
9．Calista knows how hard her brother tries to do the things most kids can do easily．She also knows how much he loves being able to go to Special Olympics competitions and how great he feels when he wins an award．She has wanted to become an official Special Olympics volunteer ever since 2005when she was only 7．（80）C she was too young to become a real volunteer at the moment，Calista found another way she could do to help．
When she knew that their local Special Olympics program lost their largest fundraising （筹款．event，she came up with （81）B!She decided to make and sell crafts （手工艺品．to help raise money for the program．Since December 2006，she has spent over 100hours making and selling her crafts and has raised 440fortheprogram．Shecontinuestomakeandsellhercraftseverychanceshegetsandsaysthathergoalistoraise3，000．She named her project Calista Cares and even set up a website，in the hope of getting more people to know about （82）A and raising more money for Crawford County Special Olympics．
Not only has she done all of these （83）D，but since the age of 5，Calista has helped out as much as she can at all of the Special Olympics events she goes to．Whether it is keeping scores or recording time on the field，picking balls during the softball throws or simply cheering on the athletes，she has been always ready to give （84）C．
Calista is an amazing little girl who spends many hours working on her crafts and always tries to find more places to sell them．She expects （85）B from others，just collecting as much money for the program．
When she knew that their local Special Olympics program lost their largest fundraising （筹款．event，she came up with （81）B!She decided to make and sell crafts （手工艺品．to help raise money for the program．Since December 2006，she has spent over 100hours making and selling her crafts and has raised 440fortheprogram．Shecontinuestomakeandsellhercraftseverychanceshegetsandsaysthathergoalistoraise3，000．She named her project Calista Cares and even set up a website，in the hope of getting more people to know about （82）A and raising more money for Crawford County Special Olympics．
Not only has she done all of these （83）D，but since the age of 5，Calista has helped out as much as she can at all of the Special Olympics events she goes to．Whether it is keeping scores or recording time on the field，picking balls during the softball throws or simply cheering on the athletes，she has been always ready to give （84）C．
Calista is an amazing little girl who spends many hours working on her crafts and always tries to find more places to sell them．She expects （85）B from others，just collecting as much money for the program．
| 80．A．If | B．When | C．Although | D．Unless |
| 81．A．many friends | B．a good plan | C．a useful website | D．lots of money |
| 82．A．her | B．you | C．us | D．them |
| 83．A．gently | B．luckily | C．silently | D．successfully |
| 84．A．her friendship | B．the project | C．a helping hand | D．her crafts |
| 85．A．an award | B．nothing | C．a job | D．a holiday． |
6．---My bike is ________ yours．---But mine is much more expensive than yours．（ ）
| A． | so big as | B． | the same size as | ||
| C． | as bigger as | D． | the same big as |