1、本节学习接触力之一 --- 弹力。包括弹力产生的原因、方向的确定和弹力大小。重点是判断弹力的有无和方向,难点是确定弹力的方向、施力物和掌握胡克定律。
3.(必修1学案) 2弹力
[要点导学]
第二节短文改错(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(奶: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。
此行错一个词: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。
We're now living in an information 4ge, m that TV, cell 76.________
phones and the Web are wide used.It seems that many people 77.________
cannot enjoy them without them.However, if I had to give 78.________
up one of them, I will turn off the TV ratter than switch off 79.________
my ceil phone and cut off the Internet.I could do without TV 80.________
because few show take my fancy and there're too many commercials. 81._______
Besides, most programs on the TV are also available elsewhere. 82._______
As for cell phones and the Web, they are more necessary to me. 83._______
I need a cell phone to keep touch with m> friends and family, and 84.________
almost all information can be gather on the Internet. 85.________
第三带书面表达(满分30分)
假设你是某健康杂志的医学顾问DrHelper,一名叫李华的中学生来信说,她所在班级近视的学生超过总数的一半,而且大多数学生的视力越来越差,她感到非常担心。请你针对她所说的情况,结合下面要点,用英语给李华回信,告诉她应该如何保护视力。
★注意让眼睛休息
★坚持做眼保健操(每天至少两次)
★定期做视力检查(每年至少一次)
★卧床或乘车时不要看书
★不要用手揉眼睛
★如无必要,不要戴有色眼镜
注意:1.词数:100左右;
2.适当增加细节使行文连贯;
3.不能逐条翻译
4.开头已给出,不计入总词数。
Dear Li Hua,
You’re very kind to Care about your classmates.
第一节:单词拼写,每空一词(共10小题;每小题1分,满分10分)
66.He is _____ (装备) with a deep sense of justice and responsibility.
67.Fake milk powder has caused the ______ (死亡) of many babies.
68.As they had no children of their own, the Smiths _____(收养) me.
69.Many ______ (百) of people are in want of basic needs.
70.It's no use_______(抱怨) of his carelessness.
71.What are the _______ (特点) of successful language learners?
72._______(就个人而言), I don't care.It's not my business.
73.The course will be given ev6ry _______ (星期四) afternoon.
74.We are _______ (熟悉)with sports like football and basketball.
75.The enemy was caught _______ (活着的) and put into prison.
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