练习册

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    学生在练习过程中体现出对used to 否定形式掌握不太熟练.要在以后的教学中加强训练. 【查看更多】

     

    题目列表(包括答案和解析)

    明同学利用A、B两物体、砝码、泡沫等器材探究“压力的作用效果与什么因素有关”的实验．如图

    （1）实验中，小明是通过观察　　　▲　　　来比较压力作用效果的．
    （2）比较甲、乙两图所示实验，能够得到的结论是：       ▲  　　　
    （3）若要探究“压力的作用效果与受力面积大小的关系”，应通过比较图　  ▲  
    所示实验．
    （4）小华同学实验时将物体B沿竖直方向切成大小不同的两块，如图丁所示．他发现
    它们对泡沫的压力作用效果相同，由此他得出的结论是：压力作用效果与受力面积无关．你认为他在探究过程中存在的问题是：          ▲            ．

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    阅读理解。
        Wang Lei 1._____
        The most difficult thing about learning English is to remember new words. I study the words and remember
    them, but a week later I have forgotten most of them. When reading something in English, I always get into
    trouble when I come across a new word. There must be a better way to learn new words.
        Li Qiang 2. _____
        I have been studying English for so long now, but I don't enjoy it any more. I used to like it, but now I feel
    that I'm not making any progress, I'm just not motivated (有动力的) any more. I wish there was something I
    could do to make me interested in studying English again.
        Fang Zhe 3. _____
        I wish I could improve my spoken English. Every time when I take part in a group discussion or try to
    speak English to someone, I find it difficult to express myself. I don't know what to say and I can't think of
    the words I need.
        Huang Wei 4. _____
        I don't like English at all. Why do we have to study English? I'd rather spend more time on math and
    science, because I think those subjects are more important.
        Zhong Mei 5. _____
        I think it is easy to remember new grammar rules. But when writing something, I always make a lot of
    mistakes. How can I learn to use the rules that I have learned?
    根据以上五位学生在英语学习中遇到的困难， 从所给的选项A-E中，选出每个人所需要读的文章。
    A. How to speak good English
    B. How to put English grammar to use
    C. How to master (掌握) English words
    D. How to realize the importance of English
    E. How to get interested in English

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    　　1.由于大雪，飞行员只得把飞机降落到另一座城市的一个飞机场。

     　　______________ _____ the snow, the pilot had to land the plane at an airport in another city.

    　　2.老师不会鼓励学生在考试前才温书至深夜，他们应该上课时专心听讲才对。

     　　Teachers do not encourage students to pull an all night for exams. They should _____ _______during lessons.

    　　3.当你遇到问题的时候不要放弃，试试其他方法。

    　　Don’t _____ _____ when you have a problem, try another way.

    　　4.她根据遗嘱获得了一大笔财产。

    　　She bagged a fabulous fortune _________________ _____ the will.

    　　5.我给你五美元请你帮我看下车。

    　　I pay you 5 dollars to _____ _________ my car.

    　　6.我穿了一件红外套以便他能很容易地看见我。

    　　I put on a red coat _____ _____________he could see me easily.

    　　7.妇女们带着孩子排队领取食物。

    　　Women _____ _____ with children for the food.

    　　8.每早他都骑车载我去上学。

     　　Every morning he _____ _____ _____ _____ school.

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    （5分））研究人员，发现菜豆种子在萌发成幼苗的过程中，体内储存的有机物会发生规律性的变化。以下是菜豆种子萌发成幼苗的各阶段示意图，请回答问题。

    （1）图4中A→D阶段，种子中的有机物逐渐减少，原因是有机物（   ）
    Ａ．被呼吸作用消耗了       Ｂ．被光合作用消耗了       
    （2）图4中E→Ｆ阶段，幼苗体内的有机物又逐渐增加，原因是（    ）
    A．根从土壤吸收了有机物         B．叶的光合作用制造了有机物
    （3）以下哪幅图能表示图中A→F过程，有机物含量变化的情况（   ）
    （4）进一步研究发现，若该项实验始终在黑暗中进行，有机物含量不断减少，原因是：
    ①　　　                                ， ②                            。

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    在急剧变化的社会生活中，人们在告别传统生活方式的同时，也会遭遇生活中的思想道德冲突，对此，我们应该(　　)
    ①在文化建设中坚持指导思想的多元化
    ②加强自身的科学文化修养和思想道德修养
    ③在现代化建设中，坚持以思想道德建设为中心
    ④不断追求更高的思想道德目标
    A．①②B．②③④C．①③D．②④

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