根据句意及首字母提示，补全单词，使句子完整、正确。 1. You're in C

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问题填空题

根据句意及首字母提示，补全单词，使句子完整、正确。

1. You're in Class 3, and I am in Class 3, too. So we are c_____.

2. Simon isn't thin. He is s____.

3. My new f___ is from Shanghai. She is very pretty.

4. What's in the cup? Let me h____ a look.

5. These girls are his sisters. T____ are very slim.

答案

1. classmates 2. strong 3. friend 4. have 5. They

改错题

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，在该行右边横线上画上一个勾（√）；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。

　此行少一个词：在缺词处加一个漏字符号（∧），在该行右边横线写出该加的词。

此行错一个词: 在错的词下面画一横线，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。

Before lunch Allen happened to see a man fished in 小题1:________

a ditch about five metre outside a bar. Allen stopped 小题2:_______

curiously. All people passing over the man who was fishing 小题3:_______

regarded him like a foolish man. Allen’s heart went out 小题4:______

of him. He said kindly to fish-catcher, “Hello, will 小题5:_______

you please do me a favor and have a drink with me 小题6:________

in the bar?” The man gladly received his invitation. 小题7:____

After buying the man several cups soft-drinks, 小题8:________

Allen asked, “You are fishing there, right? May I 小题9:________

know how much fish you have caught this morning?” 小题10:______

“You are the number 8,” said the man humorously.

问答题

体育课上，同学们在排球场上练习排球中的扣球动作，排球撞击地面的“砰、砰”声引起了小强同学的注意，地面对排球的作用力有多大呢？小强通过仔细的观察，猜想地面对排球作用力的大小可能与排球撞击地面的速度有关，也可能与撞击时排球与地面之间的接触面积的大小有关．

请你帮助小强设计一个实验粗略测量出地面对排球的作用力，写出你所使用的实验器材及实验方法和步骤．