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限一词;

2).只允许修改10处，多者（从第11处起）不计分。

    I have been feeling tired these days and often find hard to concentrate on my study. My teacher told me that it was the sign of anxiety. She advised me to read an article about reducing tension and improving brain efficient. I listened to her and found some useful ways in it. I began to form a habit of taking a nap for 15minutes at noon and try to spare 30 minutes a day to get move. A walk on the playground was beneficial. Besides, following the author's advices, I would play words with friends during class break, which made the brain refreshed and worked better. Having fun with friends is really a good way of becoming relaxed.

    Being tired may influence our mood though it has positive side. The brain can be the more creative. The author reminds what we should not fall asleep with brush in hand and we had better do something creative.

某实验小组取用生石灰时，发现装满生石灰的塑料试剂瓶已经膨胀破裂，小军认为生石灰已变质，试剂瓶中可能含有CaO、Ca（OH）₂、CaCO₃等三种物质，并开展如下探究：

请回答：

在用高级沥青铺设的高速公路上，汽车的设计时速是108km/h，汽车在这种路面上行驶时，它的轮胎与地面的最大静摩擦力等于车重的0.5倍．

    Having a cheetah （猎豹）as a pet in the house? Does it sound scary to you? But for a family in South Africa， one cheetah is treated as a VIP (Very Important Person) in the house. The big cheetah is named Jolie, after the film star Angelina Jolie____. She can often be found eating from the kitchen table, taking a short sleep on the sofa, or even sleeping on Lucy and Jeff's bed. The big cat also sleeps and plays with the Browns' other pet, the more usual one--- a sheepdog____

    Having a cheetah as a pet is unusual. Atfirst，Mrs.Brown wasn't willing to keep a cheetah as a pet. She said,''____. But we are now happy that we did it--- she is part of the family.''

    Just like her name, four-year-old Jolie has achieved a celebrity(名人) status（地位）in the Browns' hometown. Fans often come to take pictures of her____.

    However, a cheetah is always a cheetah____. '' She makes a lot of mess in the house, urinating （小便）everywhere and chewing everything. It's her wild instincts (天性), said Mrs. Brown. There must be some problems of having a cheetah as a pet in the house, but some unusual fun must also be waiting ahead.

A. Interestingly, Jolie enjoys all the special attention that is paid to her.

B. An impossible friendship has happened between these two animals.

C. Though Jolie is now a pet in the home, she still has some wild habits.

D. She is surely the VIP at Lucy and Jeff Brown's home.

E. I was really against the idea of getting a cheetah as a pet.