Jealous of the kids at school who are smarter than you and seem to learn more quickly? Don’t worry．     71   

     72     However, according to a recent study, IQ can rise—not just by one or two points, but by as many as 21 points!

 Scientists have found that IQ changes are linked to changes in part of the brain called gray matter, which was seen to grow and become denser （更加密集） in the brains of people whose IQs improved greatly．

     73     One is to train your short-term memory． Previous research has proven that short-term memory is the basis for intelligence, so trying to recognize or retell something that you have seen or heard can help raise your overall brain power．     74        

A good night’s sleep will also help improve your concentration．     75     It helps you stay focused for longer the next day．

Scientists have also found that exercise helps． Walking 30 minutes a day five times a week and doing exercise will help you become more knowledgeable—as well as healthier and fitter．

A． There are several ways of increasing your brain’s gray matter．

B． Your brain deals more efficiently with things you truly like．

    C． With a bit of brain training, the chances are that you can be as smart as they are．

    D． So maybe it’s a good idea to get your brain in training right away．

    E． Getting enough sleep is like pushing the reset button in your brain．

    F． The more you work on it, the better you will become．

G． People used to assume that a person’s IQ was unchangeable．

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号（），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1．每处错误及其修改均仅限一词；

2．只允许修改10处，多者（从第11处起）不计分。

Three years ago, I became a student in an ordinary school． Disappointing as I felt at the shabby campus and the poorly-equipped classroom, I find the teachers patient and considerate． However, I enjoyed the friendly atmosphere in class． I decided to make the best for it． I worked hardly and got along well with teachers and classmates． Whenever I had difficulties, they were always available． Soon, I became one of the top student in my class, what greatly increased my confidence and I got more motivated．

My experience tells me that it is not what you are given but that how you use it that determine who you are．

假设你是高三学生李华，你的笔友Tony在最近一次考试中失利，他写信向你求助，请从以下几个方面写一封回信，给他一些建议。内容要点如下：

    1． 保持乐观心态，自信应对挑战；

    2． 调整学习方法，制定合理的学习计划；

    3． ……

注意：

    1． 词数100左右;

    2． 可以适当增加细节，以使行文连贯；

    3． 信件开头和结尾已为你写好。

Dear Tony,

    Sorry to hear that you failed in the last exam． I hope my advice can cheer you up．

_________________________________________________________________________________________________________________________________________________________________　　_________________________________________________________________________________　　

_________________________________________________________________________________　　

Yours,

                                            Li Hua

 It comes as ______ surprise that ______ dream of space travel will soon come true.

---How did you do in the test yesterday?

-----Not so well. I ______ much better but I misread the directions for writing。

The girl sitting by the window is the only one of the students who _______ from the countryside in our class.

The life of a high school student is usually active, exciting and full of fun, but it ______ be stressful sometimes.

Don’t ask him how he is because if he starts talking about his health you’ll never

_______ him.

By the time our teacher arrives tomorrow, all the work _____,with which he will be content.

Peter told us the work would be finished by next month, _____ personally I doubt very much.