问题 选择题

下面关于能量转化的说法中错误的是                [ ]

A.用砂轮磨刀时,刀的温度升高了,内能转化为机械能

B.陨石进入大气层成为流星时,机械能转化为内能

C.壶中的水沸腾时,壶盖不停地跳动,水蒸气的内能转化为壶盖的机械能

D.用打气筒给车胎打气时,筒内空气的内能转移到筒上,使筒壁温度升高

答案

答案:A

改错题

第二卷(非选择题 共50分)

第三部分 写作(共两节,满分50分)

第一节 短文改错(共10小题;每小题1.5分,满分15分)

此题要求改正所给短文中的错误。对标有题号的每一行做出判断:如无错误,在该行右边横线上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正:

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

该行缺一个词: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。

该行错一个词: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。

There once were a goat and a donkey that lived on a farm. The donkey

worked the hardest so the farmer fed it the most food. Sometime                           66. ____________

the donkey was given much food than it could eat. This made the goat                67. ____________

so jealous that they began plotting (谋划) against the donkey.                         68. ____________

“Hey,” the goat said one day, “I thought you do too much work on              69. ____________

this farm. You carry such heavy thing from morning to night. Why don’t               70. ____________

you pretend to get sick but you can take a day off?” The donkey thought          71. ____________

it great idea. The next morning, the donkey lay in the stable (畜栏) on               72. ____________

its side with its eyes close. Then the farmer sent for a doctor, who said                73. ____________

it was needed a special medicine made from the heart of a goat. So the               74. ____________

farmer killed the goat and gave the donkey the medicine made from its heart.   75. ____________

单项选择题