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    38．D．①主句主语是 Everyone.故谓语动词knowe.②从句中的who作表语.故应用陈述语序. 【查看更多】

     

    题目列表(包括答案和解析)


    There is a one-day holiday in most western countries on New Year’s Day. The real celebration begins on New Year’s Eve-the night before New Year’s Day. There are several interesting customs（习惯）in the west, and there are many differences in different countries.
    Though Christmas is a good time for families to get together, New Year’s Day is a time for some western people to be with friends. On New Year’s Day, there are always parties. At such parties, there is food, drinks and dances until New Year comes
    At midnight, people often say “Happy New Year! ”to each other. In many western countries, fireworks are let off at midnight and some people like to shout aloud to drive away evil spirits.
    【小题1】People begin to have great celebrations for the New Year on___________.
    A．New Year’s DayB．the night before New Year’s Eve
    C．the night of New Year’s Day D．New Year’s Eve
    【小题2】In the west, ___________on New Year’s Day.
    A．friends always get together
    B．friends write to each other
    C．people can have a week’s holiday
    D．people go from one country to another
    【小题3】On New Year’s Eve, western people don’t often____________.
    A．say “Happy New Year” to each other
    B．let off fireworks
    C．sing a Scottish song
    D．shout aloud to drive away evil spirits
    【小题4】This passage mainly（主要）tells us___________.
    A．western people drink together on New Year’s Day
    B．how western people celebrate their New Year’s Day
    C．what western people eat on New Year’s Day
    D．western people have a good time on New Year’s Day

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    下面是四位学生给某杂志社去信的内容，反映他们生活中遇到的问题。A、B、C、D四个选项是杂志社编辑给他们复信的内容。请从A、B、C、D四个选项中分别找出各题的相应答案。

    1. One of my friends calls me a nickname （绰号）. I really don‘ t like that , I told her I didn‘t like the nickname. But she won‘t stop calling me the nickname.

    2. I have a big problem with small animals. I know I am much bigger than they are , but I am afraid of them.

    3. I‘m always worried that something bad is going to happen. What should I do?

    4. I‘ m on a basketball team and every time I don‘ t do very well , the other boys boo （讥笑） me , and say that I can‘t do anything right. What should I do?

    A. My parents always told me that if I was afraid of something , I should face （面对） it. When I was little I was afraid of my backroom. I started going there by myself , and I was not afraid. So next time you see small animals ,don‘t run away. Just face them.

    B. Each time she calls you that , politely tell her that you don' t like it. After a while she will not call you the nickname.

    C. Tell everyone on the team how you feel when they boo. Ask them how they would feel. Make friends with them. Don't boo at others on the‘team.

    D. You might write down those things. When you write about your worries （担忧） you will see that some of your worries are not there at all.

    1. _____________ 2._____________ 3._____________ 4._____________

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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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    如图为人体部分特异性免疫过程的示意图，a、b、c表示细胞。请据图回答下列问题。

    (1)该特异性免疫属于       免疫，图中b细胞在人体内可以来自                   细胞。
    (2)图中a、b、c、d能够识别抗原的是         。（填字母）
    (3)若图中所示的抗原为酿脓链球菌，因其表面的抗原决定簇与人心脏瓣膜上的一种物质的表面结构十分相似，物质d向心脏瓣膜发起进攻，使人患上风湿性心脏病，这属于免疫失调中的             病。
    (4)当抗原经过⑤⑥过程时，人体内产生d的主要特点是数量多、速度快，与合成与分泌d有关的细胞器有           、           、
               、           。
    (5)研究发现，HIV病毒的增殖需要逆转录酶，从遗传物质分析，研究HIV疫苗比较困难的主要原因是                                                          。

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    There is a one-day holiday in most western countries on New Year’s Day. The real celebration begins on New Year’s Eve-the night before New Year’s Day. There are several interesting customs（习惯）in the west, and there are many differences in different countries.

    Though Christmas is a good time for families to get together, New Year’s Day is a time for some western people to be with friends. On New Year’s Day, there are always parties. At such parties, there is food, drinks and dances until New Year comes

    At midnight, people often say “Happy New Year! ”to each other. In many western countries, fireworks are let off at midnight and some people like to shout aloud to drive away evil spirits.

    1.People begin to have great celebrations for the New Year on___________.

    A．New Year’s Day

    B．the night before New Year’s Eve

    C．the night of New Year’s Day

    D．New Year’s Eve

    2.In the west, ___________on New Year’s Day.

    A．friends always get together

    B．friends write to each other

    C．people can have a week’s holiday

    D．people go from one country to another

    3.On New Year’s Eve, western people don’t often____________.

    A．say “Happy New Year” to each other

    B．let off fireworks

    C．sing a Scottish song

    D．shout aloud to drive away evil spirits

    4.This passage mainly（主要）tells us___________.

    A．western people drink together on New Year’s Day

    B．how western people celebrate their New Year’s Day

    C．what western people eat on New Year’s Day

    D．western people have a good time on New Year’s Day

     

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