练习册

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    (找几组学生汇报练习成果.) T: I want someone to act out your dialog. Who can do it? G1: Where is-? - Step 4 Practice 第四步 练习 【查看更多】

     

    题目列表(包括答案和解析)

    下面列出了几组物质，请将物质的合适组号填写在空格上。⑴同位素       ，⑵同素异形体__________；⑶同系物      ，⑷同分异构体       。
    ①金刚石与“足球烯”C60；    ②D与T；   ③16O、17O和18O；
    ④氧气（O2）与臭氧（O3）； ⑤CH4和CH3CH2CH3；
    ⑥乙醇（CH3CH2OH）和甲醚（CH3OCH3）；
    ⑦和；  ⑧               和；

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    有几位学生遗失了一些物品，请根据以下信息为他们写完寻物启事的布告。
    Peter: I lost a gold watch. If you find it, call me at 680-7432.
    Jim:  I found a computer game. My phone number is 512-8843.
    Henry: I lost a set of keys. Who found them, please call 476-3539.
    Sam:  I found a notebook with the name “Kenvin Clark”. My phone number is 555-0287.

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    有几位学生遗失了一些物品，请根据以下信息为他们写完寻物启事。
    Peter: I lost a gold watch. If you find it, call me at 680-7432.
    Jim :  I found a computer game. My phone number is 512-8843.
    Henry: I lost a set of keys. Who found them, please call 476-3539.
    Sam:  I found a notebook with the name “Kevin Clark”. My phone number is 555-0287.
    Lost & Found

    Found:
    Is this your computer game?
    Please call Jim.
    Phone# 91
    		Lost:
    92                 
    My name is Henry Cooper.
    Please call me at 476-3539.
    Lost:
    A gold watch.
    My name is 93            .
    My phone number is 680-7432.
    		Kevin:
    Is this your 94                 ?
    Please call me at 95             .
    Sam.

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    1有几位学生遗失了一些物品，请根据以下信息为他们写完寻物启事。

    Peter: I lost a gold watch. If you find it, call me at 680-7432.

    Jim :  I found a computer game. My phone number is 512-8843.

    Henry: I lost a set of keys. Who found them, please call 476-3539.

    Sam:  I found a notebook with the name “Kevin Clark”. My phone number is 555-0287.

    Lost & Found

    Found:

     Is this your computer game?

     Please call Jim.

     Phone# 91

    Lost:

    92                  

    My name is Henry Cooper.

    Please call me at 476-3539.

    Lost:

     A gold watch.

     My name is 93             .

    My phone number is 680-7432.

    Kevin:

    Is this your 94                  ?

    Please call me at 95              .

    Sam.

     

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    有几位学生遗失了一些物品，请根据以下信息为他们写完寻物启事。
    Peter: I lost a gold watch. If you find it, call me at 680-7432.
    Jim :  I found a computer game. My phone number is 512-8843.
    Henry: I lost a set of keys. Who found them, please call 476-3539.
    Sam:  I found a notebook with the name “Kevin Clark”. My phone number is 555-0287.
    Lost & Found
    Found:
    Is this your computer game?
    Please call Jim.
    Phone# 91
    		Lost:
    92                 
    My name is Henry Cooper.
    Please call me at 476-3539.
    Lost:
    A gold watch.
    My name is 93            .
    My phone number is 680-7432.
    		Kevin:
    Is this your 94                 ?
    Please call me at 95             .
    Sam.

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