1、本節(jié)學習接觸力之一 --- 彈力。包括彈力產(chǎn)生的原因、方向的確定和彈力大小。重點是判斷彈力的有無和方向,難點是確定彈力的方向、施力物和掌握胡克定律。
3.(必修1學案) 2彈力
[要點導學]
第二節(jié)短文改錯(共10小題,每小題1.5分,滿分15分)
此題要求改正所給短文中的錯誤。對標有題號的每一行做出判斷:如無錯誤,在該行右邊橫線上畫一個勾(奶:如有錯誤(每行只有一個錯誤),則按下列情況改正:
此行多一個詞:把多余的詞用斜線(\)劃掉,在該行右邊橫線上寫出該詞,并也用斜線劃掉。
此行缺一個詞:在缺詞處加一個漏字符號(∧),在該行右邊橫線上寫出該加的詞。
此行錯一個詞:在錯的詞下劃一橫線,在該行右邊橫線上寫出改正后的詞。
注意:原行沒有錯的不要改。
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.________
第三帶書面表達(滿分30分)
假設(shè)你是某健康雜志的醫(yī)學顧問DrHelper,一名叫李華的中學生來信說,她所在班級近視的學生超過總數(shù)的一半,而且大多數(shù)學生的視力越來越差,她感到非常擔心。請你針對她所說的情況,結(jié)合下面要點,用英語給李華回信,告訴她應(yīng)該如何保護視力。
★注意讓眼睛休息
★堅持做眼保健操(每天至少兩次)
★定期做視力檢查(每年至少一次)
★臥床或乘車時不要看書
★不要用手揉眼睛
★如無必要,不要戴有色眼鏡
注意:1.詞數(shù):100左右;
2.適當增加細節(jié)使行文連貫;
3.不能逐條翻譯
4.開頭已給出,不計入總詞數(shù)。
Dear Li Hua,
You’re very kind to Care about your classmates.
第一節(jié):單詞拼寫,每空一詞(共10小題;每小題1分,滿分10分)
66.He is _____ (裝備) 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 _____(收養(yǎng)) 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 _______ (特點) of successful language learners?
72._______(就個人而言), 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 _______ (活著的) and put into prison.
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