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    Algebra 代数 Algebra一词是古代阿拉伯人从他们的医学术语al jebr中得到的启示.从而为数学部分支--代数.创造了一个生动的短语ilm al-jebr wa'l-muqabalah.意思是“利用方程式进行简化运算 .意大利人将这个短语来了个掐头去尾.把中间的词变化为algebra.不过.这个词直到17世纪还保留着“正骨 .“接肢 的原始词义呢. 【查看更多】

     

    题目列表(包括答案和解析)

    根据对话填入空缺中的句子。

    Shop assistant：　　1　　

    Customer：I’d like a sweater for my daughter．

    Shop assistant：We have sweaters of different colors．　　2　　

    Customer：Red, My daughter likes red．

    Shop assiatnt：Here is a red one．

    Custmoer：It looks nice, 　　3　　．

    Shop assistant：＄80．

    Customer：Sounds good．　　4　　．

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    选择正确的动词填空，并根据需要改变形式

    pull　　make　　send　　brush　　mail　　surprise

    (1) You haven't _______ me an e-mail since last month.

    (2) You can't _______ cake in an envelope.

    (3) _______ your teeth before you go to bed at night.

    (4) He _______ the door and went into the shop.

    (5) We _______ a list of records for our class now.

    (6) She was very _______ when she heard the news.

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    情景交际。

    A：Excuse me．How can I 　　1　　 to the bookstore, please?

    B：Go along the street．　　2　　 the second crossing 　　3　　 left, and walk on 　　4　　 you see a fruit shop．The bookstore is next 　　5　　 it．You can’t 　　6　　 it．

    A：Is it 　　7　　 here?

    B：No．It’s about thirty 　　8　　 walk．

    A：Oh, that’s 　　9　　 a long way．

    B：Don’t worry．The No．72 bus will 　　10　　 you right there．

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    Cloze test

    　　My friend Bruce lives next door to us．He isn’t tall but likes to do 　　1　　．He’s good at running and playing basketball, 　　2　　 he is stronger than us all．

    　　In summer Bruce goes to see his grandpa．The old man lives on a farm．He likes 　　3　　 and has three dogs, two cats and a horse．

    　　Bruce wants to 　　4　　 to ride a horse．He asks his grandpa to 　　5　　 him．The old man agrees(同意)．At first he rides carefully and soon he enjoys 　　6　　 there．

    　　One afternoon the boy rides the horse 　　7　　．When he walks by a horse, a big dog runs out．The horse is 　　8　　 and begins to run away quickly．Bruce falls down and hurts(摔伤)his leg．The horse 　　9　　 him to a tree and then runs to send for a doctor．

    　　“What a 　　10　　 horse!” I say after my friend tells me about it．

    　　”I don’t think so．” says the boy．”It comes back with a veterinarian．(兽医)!”

    (1)
    [　　]

    A．

    washing

    B．

    homework

    C．

    housework

    D．

    sports

    (2)
    [　　]

    A．

    but

    B．

    or

    C．

    so

    D．

    and

    (3)
    [　　]

    A．

    vegetables

    B．

    books

    C．

    birds

    D．

    animals

    (4)
    [　　]

    A．

    learn

    B．

    turn

    C．

    stop

    D．

    begin

    (5)
    [　　]

    A．

    show

    B．

    leave

    C．

    tell

    D．

    teach

    (6)
    [　　]

    A．

    herself

    B．

    himself

    C．

    her

    D．

    him

    (7)
    [　　]

    A．

    easily

    B．

    along

    C．

    alone

    D．

    early

    (8)
    [　　]

    A．

    afraid

    B．

    tired

    C．

    hungry

    D．

    happy

    (9)
    [　　]

    A．

    carries

    B．

    takes

    C．

    brings

    D．

    puts

    (10)
    [　　]

    A．

    quick

    B．

    clever

    C．

    free

    D．

    poor

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    补全对话

    A：Hello, Uncle John!

    B：Hello, Bob!　　1　　 You look worried and upset．

    A：　　2　　 I really need your help．

    B：What do you mean?

    A：Well, 　　3　　 But now it becomes more and more difficult since I am in Grade Three．My parents don’t allow me to play basketball．

    B：Maybe your parents are right．　　4　　

    A：I see．I do well in all my lessons and I think I should be allowed to do the things that I’m interested in．

    B：OK．　　5　　

    A：Thank you, Uncle John．It’s very kind of you．

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