练习册

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    10．几种比较等级的转换 1) At- than B ---- B + not so (as)-as A ---- B+-less-than A 如:This book is more difficult than that one． ---- That book is not so difficult as this one． ---- That book is less difficult than this one． 2)主语+最高级+范围 ---- 主语+比较级than any other + 范围 如:．Jim is the shortest boy in my class． Jim is shorter than any other boy in my class． 3) prefer A to B ---- like A better than B 【查看更多】

     

    题目列表(包括答案和解析)

    （8分）多细胞生物调节生命活动需依靠细胞通讯。细胞通讯是指一个细胞发出的信息通过介质传递到另一个细胞并使之产生相应反应的过程。下图是几种细胞通讯的实例，请分析回答：

    （1）A图所示的激素调节体现了        机制，①过程发挥作用的激素是      。
    （2）B图中突触在传递信号时，信号的转换形式是                          ；
    刺激a神经元引起b神经元兴奋，原因是                                   。
    （3）C图是单核巨噬细胞吞噬病原体过程示意图。图中的“抗原多肽”是经过处理后暴露出来的特定抗原，它将被直接呈递给          ，并刺激产生            ，共同完成特异性免疫。
    （4）D图中X代表的刺激是                      ；胰岛B细胞分泌的激素被肝细胞膜上的受体识别，该受体的化学成分是               。

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    你能根据你填写的词尾变化，写出下列形容词比较级，最高级的几种变化形式吗？

    1．tall ________

    2．big ________

    3．happy ________

    4．expensive ________

    5．good ________

    6．much ________

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    Bill有幸结识了一位外国朋友Peter,假如你是Bill,请根据表格内容，给你的笔友 Peter写一封email，以便更好地了解你。

    自我介绍

    姓名，年龄，外表，个性特征，生活方式，学习情况。

    兴趣爱好

    下棋，弹钢琴，打篮球------

    上次的假期经历及感受

    去北京游玩------

    要求：1.文章必须包括表中所有信息,可适当增加细节,但不要逐字翻译。

          2.根据需要可适当用上比较等级的句子。

          3.词数在80--100词左右，文章开头结尾已给出,你只需接着写,不

            计入总词数。

          4.表达准确,条理清楚、语句连贯,文中不得出现真实的地名、班名

            和人名。

    Dear Peter,

      How’s it going? I’m glad to be your pen pal.Let me tell you something about myself.                      

                                                                                  

                                                                                   

                                                                                  

                                                                                  

                                                                                   

                                                                                  

                                                                                  

                                                                                   

     China is a great country for a visit.I hope you can come to China some day. I’m waiting for your coming!

    Best wishes!

    Yours,

    Bill

     

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    根据短文内容及首字母提示填写单词，使短文完整、连贯。
         Anne Jennings is a 17-year-old girl with Down's syndrome (唐氏综合症，一种比较严重的智障).
    She has always had a h   1      time at high school. Though she took the same l   2       with her friends
    during the early grades, in recent years she has been placed in special education classes.
         She always wished that she wasn't d      3      from her close friends. She would ask, "Why did God
    m     4      me have Down's syndrome?" Anne's mother never had a good a     5     to this question.
    However, in the e     6      , the teenager discovered that there was n     7      wrong with being exactly
    who she is. O     8      October 3rd, she was surprised and h    9       to be elected homecoming queen (被选为返校节女王) of her class.
         "I was always complaining before," she said. "When I became the queen, things c    10     It's
    amazing. Everyone loves me. I love myself."

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    Bill有幸结识了一位外国朋友Peter,假如你是Bill,请根据表格内容，给你的笔友 Peter写一封email，以便更好地了解你。
    自我介绍
    		姓名，年龄，外表，个性特征，生活方式，学习情况。
    兴趣爱好
    		下棋，弹钢琴，打篮球------
    上次的假期经历及感受
    		去北京游玩------
    要求：1.文章必须包括表中所有信息,可适当增加细节,但不要逐字翻译。
    2.根据需要可适当用上比较等级的句子。
    3.词数在80--100词左右，文章开头结尾已给出,你只需接着写,不
    计入总词数。
    4.表达准确,条理清楚、语句连贯,文中不得出现真实的地名、班名
    和人名。
    Dear Peter,
    How’s it going? I’m glad to be your pen pal.Let me tell you something about myself.                      
                                                                                  
                                                                                  
                                                                                  
                                                                                  
                                                                                  
                                                                                  
                                                                                  
                                                                                  
    China is a great country for a visit.I hope you can come to China some day. I’m waiting for your coming!
    Best wishes!
    Yours,
    Bill

    查看答案和解析>>


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