Although he is one of China’s most famous scientists, Yuan Longping r 1.  himself as a farmer, for he   2. the land to do his research. Indeed, his s3. face and arms and his slim, strong body are just like  4. of millions of Chinese farmers, for whom he has  5.(拼搏) for the past fifty years. Dr Yuan Longping grows 6. is called super hybrid rice. In 1974, he became the first agricultural   7. (先驱) in the world to grow rice that has a high o8.. This special strain of rice makes it  9. to produce one-third more of the crop in the same fields. Now more than 60% of the grain produced in China each year is  10. this hybrid strain.

假设你是高中生李明，有感于校园中存在随意涂写（to scribble）和乱丢垃圾（ to litter）的行为，请用英语给校长写一封100个词左右的信。信中应包括以下内容：

1、说明写信目的；

2、对这些行为进行批评；

3、提出建议。

注意：信的开头、落款及信的第一句已给出（不计词数）

June 25, 2012

Dear Mr. Headmaster,

I am Li Ming, a student from, Senior 1.

Your faithfully,

Li Ming

I didn’t go to the party, but I do wish I ____there.

A．was              B．were             C．had been          D．went

The plant is dead. I ____ it  more water.

A．will give                              B．would have given

C．must give                             D．should have given

____ the students in our school go to college in their teens.   

A．A good many       B．A great many of     C．A great deal of      D．A lot of

When I get puzzled about some difficult problems, my teacher always encourages me and says , “Take it _________ .”

A．for granted        B．serious           C．simple            D．easy

I can think of many cases ______students obviously know a lot of English words and expressions but couldn’t write a good essay .

A．why              B．which            C．as               D．where

American Indians ________ about five percent of the U.S. population .     

A．fill up            B．bring up           C．make up          D．set up

Please tell me how the accident_____. I am still in the dark. 

A．came by          B．came out          C．came to           D．came about