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    13． 适合.适应 【查看更多】

     

    题目列表(包括答案和解析)

    综合填空

    阅读下面短文，掌握其大意。然后根据短文内容和首字母提示，在短文空白处填入适当的单词，使短文内容通顺、合理。并将完整的单词填写在答题卡的相应位置上。

    　　Lisa Smith went shopping．She is 30, and has lived at 3037 N．Foothill Street s　　1　　 1992．Lisa has been m　　2　　 to John for seven years．They have t　　3　　 children; Bob is five years old and Nancy is three．At 9 am, Lisa got into her c　　4　　 and drove to Barget, a large super-market a kilometer a　　5　　．

    　　Barget was having a holiday sale．Lisa b　　6　　 a four-slice toaster(烤面包机)for ＄29.95．

    　　The regular price was ＄39.95．On her way h　　7　　 , Lisa stopped at MilkPlus to buy some nonfat m　　8　　．The milk was ＄3.50 Lisa got 50 cents back in change．

    　　Lisa arrived home at 10 am．John and the kids were still s　　9　　．She woke t　　10　　 up and then made a hot and nutricious breakfast for everyone．

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    （16分）人工合成的生长素类似物，如2.4—D、萘乙酸等，具有与生长素相似的生理效应。它们在生产上的应用很广泛。
    (1)2，4—D 是一种最早应用的选择性除草剂，在农业生产上常用它除去单子叶农作物田间的双子叶杂草。单子叶农作物与双子叶杂草对2，4—D浓度的反应如右图曲线所示。

    ①从图中可以看出2.4—D作用的特点是_______________。
    ②图中X点（甲、乙的交点）对应的浓度对于双子叶杂草的作用效果是______________，2.4—D作为除草剂的最佳使用浓度是_______________点所对应的浓度。
    ③近几年，媒体经常报道有些农民使用除草剂导致作物绝产的消息。如是某农民使用的2。4—D不是假冒产品，请你分析导致作物绝产的最可能原因是__________________
    (2)2.4—D还能促进插条生根。为了探索2.4—D促进插条生根的最适浓度，某生物兴趣小组先做了一组梯度比较大的预实验，实验的结果如下图所示。
    ①图中纵坐标的标识是______________；推测最适浓度的大致范围在______________之间。
    ②做预实验的目的是__________________   正式实验中要实现实验目的，最少需要设置___________组实验（相对浓度梯度为1）。

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    近日，《中国健康月刊》对全国1306 名15 岁以下学生进行了调查，发现40.74%的孩子
    有龋齿。为此，在全国牙齿关爱日到来前，请你根据以下要点，结合自己的体会，给校报英
    语专栏写一篇短文，谈谈如何保护牙齿。
    1. 每天早晚刷牙； 2. 有蛀牙及早看医生；3. 有龅牙可戴牙套;  4. 健康饮食（蔬菜、水果……）。注意：1. 词数：80 词左右；开头已给出，不计入总词数；2. 应覆盖所有要点；可适当增加细节，使行文连贯；3. 参考词汇： tooth decay 蛀牙；crooked teeth 龅牙; braces n. 牙套。
    Teeth problems are common among children. A study on China Health Monthly recently showed that 40.74% of 1,306 Chinese students under age 15 had decayed teeth.
     
     

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    最近，学校开设了心理咨询室，每天中午向同学们开放，同学们可以和心理老师沟通各种问题，寻求帮助。阅读该活动海报，请为以下几位同学找出合适的咨询时间，并选择相应编号A—E分别填入题号内。

    Heart-to-heart talk

    Do you have any problems? Come and talk with us.xkb1.com

    Opening hours         12 o’clock-13 o’clock

    A. Monday            Problems with friends

    B. Tuesday            Problems with teachers

    C. Wednesday          Problems with studies

    D. Thursday            Problems with parents

    E. Friday              Problems with looks (外貌)

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    最近，学校开设了心理咨询室，每天中午向同学们开放，同学们可以和心理老师沟通各种问题，寻求帮助。阅读该活动海报，请为以下几位同学找出合适的咨询时间，并选择相应编号A—E分别填入题号内。

    Heart-to-heart talk

    Do you have any problems? Come and talk with us.

    Opening hours         12 o’clock-13 o’clock

    A. Monday            Problems with friends

    B. Tuesday            Problems with teachers

    C. Wednesday          Problems with studies

    D. Thursday            Problems with parents

    E. Friday              Problems with looks (外貌)

    Names

    Problems

    Day

    Victor

    I often make my English teacher angry. I don’t think she likes me.

     1

    Laura

    I am a shy girl. I only have a good friend. But these days, she is angry with me and doesn’t talk to me. I don’t know why.

      2 

    Toby

    I am the shortest in my class. Other boys don’t want to play basketball with me. I am very sad.

      3 

    Grace

    My math is not good. I think it’s too difficult.

      4 

    Mary

    My parents always make me study all day. I have no time to play. I am not happy.

      5 

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