练习册

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    (五).运用基本常识 如台湾是中国最大的岛.道路.街道.河流等两边或两岸.等等. 【查看更多】

     

    题目列表(包括答案和解析)

    如图甲表示某生物膜结构，图中A、B、C、D、E、F表示某些物质，a、b、c、d表示物质跨膜运输方式。图乙和图丙表示物质运输曲线，请据图回答：


    （1）若图甲是癌细胞的细胞膜，则膜上含量较正常细胞减少的物质是[　　]　　　　。
    （2）若图甲是线粒体膜，b和c过程运输的气体分别是　　　　。b、c运输方式符合图　　　　所表示的物质运输曲线。
    （3）若图甲表示人体红细胞膜，则表示Na＋、K＋运输的分别是图中　　　　　　。Na＋、K＋的运输方式符合图　　　　所示曲线。
    （4）已知红细胞吸收葡萄糖是协助扩散，而有人认为小肠上皮细胞以主动运输的方式吸收葡萄糖，请设计实验加以确定。
    ①实验步骤：
    第一步：取甲、乙两组生理状况相同的小肠上皮细胞，放入适宜浓度的含有葡萄糖的培养液中。
    第二步：甲组细胞给予正常的呼吸条件，　　　　　　　　　。
    第三步：　　　　　　　　　　　　　　　　。
    ②预测实验结果并分析：
    a．若甲、乙两组细胞对葡萄糖的吸收速率基本相同，则　　　　　　　　　。
    b．                                。

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    词汇运用，根据短文内容和所给中文提示，写出空白处各单词的正确形式，每空限填一词。

    　　Good 　　1　　(下午)! I am a Chinese girl．You can call 　　2　　(我)Nancy．My 　　3　　(最喜欢的)subject is English．Every morning, I 　　4　　(打开)the English book and 　　5　　(听)to the radio．

    　　Do you 　　6　　(知道)that boy? He is my 　　7　　(弟弟)．He is 　　8　　(十五)years old．He likes 　　9　　(星期二), because he can 　　10　　(游泳)on that day．

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    朗读下面的对话，并运用后面列出的交际用语把该对话完成，注意其中有两项为多余选项。

    　　－Hi, Jeff, can you come to my party on Saturday?

    　　－________

    　　－It's at seven o'clock.

    　　－________

    　　－Mary, can you come to my party?

    　　－________ I have to study for a test.

    　　－What about you, Dave?

    　　－I'm sorry , too. ________

    [　　]

    ①He's not feeling well.

    ②I have a piano lesson.

    ③What time is it?

    ④Sorry, I can't.

    ⑤Great, I'd love to.

    ⑥Sure, I can.

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    朗读下面的对话，并运用后面列出的交际用语把该对话完成，注意其中有两项为多余选项。

    　　－________

    　　－I usually get up at six o'clock in the morning.

    　　－________

    　　－I usually take the bus.

    　　－Do you take the bus every day?

    　　－________

    　　－________

    　　－It's five miles.

    　　－________

    　　－It takes about twenty-five minutes.

    [　　]

    ①How often do you get to school?

    ②How far is it from your home to school?

    ③No, sometimes I ride my bike.

    ④What time do you get up every day?

    ⑤How long does it take you to get from home to school?

    ⑥How do you get to school?

    ⑦Sorry, I don't know.

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    阅读理解

    　　We can know a lot about English，but maybe we can't speak English．

    　　If you want to swim well，you must get in to a river．And if you want to be a football play er (球员)，you must play football．

    　　So，you see，you can learn English only by using (运用) it．You must listen (听) to your teacher in class．You must read your lessons every day．You must speak English with your classmates and also you must write something． Then one day，you may find your English is very good．

    (1)

    You know a lot about English but maybe ______.

    　　A．you can speak

    　　B．you can study it

    　　　C．you can't study it

    　　D．you can't speak it

    [　　]

    (2)

    You must get into the river ______．

    　　A．to catch a fish

    　　B．to learn how to swim

    　　C．to go boating

    　　D. to play with water

    [　　]

    (3)

    If you want to be a football player．you must ______.

    　　A．buy a football

    　　B．play football

    　　C．watch others play football

    　　D．put your football away

    [　　]

    (4)

    From the passage (文章), we know that ______．

    　　A．an apple is good or not if we eat it

    　　B．we can do anything if we don't know how to do it

    　　C．we must speak English before we know how to use it

    　　D. swimming is a good example (例子) for us to learn English

    [　　]

    (5)

    If you want to study English well，you must often ______．

    　　A．speak English

    　　B．write in English

    　　C．listen to English

    　　D．do all A，B and C

    [　　]

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