问题 问答题

如图(甲)所示,将敲响的音叉接触水面会溅起水花.这表明:声音是由于物体______产生的.图(乙)中敲响的右侧的音叉,与左侧音叉接触的塑料小球会弹起,这是因为______.

答案

将敲响的音叉接触水面会溅起水花.这表明:声音是由于物体振动产生的;

敲响的右侧的音叉,与左侧音叉接触的塑料小球会弹起,这是因为空气可以传声.

故答案为:振动;空气可以传声.

改错题

第二卷(共35分)

第四部分:写作(共两节,满分35分)

第一节:短文改错(共10小题;每小题1分,满分10分)

此题要求改正所给短文中的错误。对标有题号的每一行作出判断:如无错误,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:

此行多一词:把多余的词用斜线(/)划掉;在该行右边的横线上写上该词,并也用斜线划掉。

此行缺一词:在缺词处加一个漏字符(∧),在该行右边的横线上写上该加的词。

此行错一词: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。

Mary was an university student . She didn’t have very much  76.      

money and her parents were not rich , and she had an uncle           77.      

who had been fortunate enough to collect great wealthy . He     78.      

always gave her valuable Christmas and birthday present .      79.      

When her uncle’s birthday came round , Mary want to buy him 80.      

something real special , but because he was rich , she did not    81.      

know how to get him . She went into the best shop in her      82.      

town and explained what her problem was to one of helpful          83.      

shop assistants . Finally she asked , “What do you have for       84.      

someone who has already got everything he wants or needs to ?”  85.      

The assistant sighed deeply and answered , “Envy , only envy.”

单项选择题