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    B.shall用于第二.三人称,表示说话人的意愿,有命令.警告.威胁.强制.允诺.决心之意?鸦条件句中的will表示意愿,won’t可译为“不肯 . 【查看更多】

     

    题目列表(包括答案和解析)

    用am，is或are填空，然后总结其用法。

    (1)That's my father and this ________ my mother.

    (2)This is my cousin and that ________ my sister.

    　　(3)－________she your sister?

    　　－Yes, she ________.

    　　(4)－And ________ he your brother?

    　　－No. He's my friend.

    　　(5)－________ Guo Peng your brother?

    　　－Yes, he ________.

    (6)I ________ his friend. I'm not his brother.

    　　(7)－________ you Jack's brother?

    　　－No, I'm not. I ________ his cousin.

    (8)These ________ my grandparents.

    　　(9)－________ this your aunt?

    　　－Yes, it ________.

    (10)These ________ my parents, those ________ my grandfather and grandmother.

    (11)These are my brothers. They ________ Jeff and Jack.

    (12)They aren't my sisters. They ________ my friends.

    am用于第一人称单数I之后；is用于第三人称单数ge，she，it以及相当于he，she或it；are用于第二人称或所有人称的复数，表达“是”的意思。可用下面的口诀来帮助记忆：“我用am你用are，is用于他她它，复数全都要用are”。

    I am…可以缩写成I'm，he is可以缩写成 he's，she is可以缩写成加she's，it is可以缩写成it's，而we are，you are，they are可分别编写成we're，you're，they're。am，is，are的否定形式是在后面加not，如：am not，is not，are not。is not通常缩写为isn't，而are not通常缩写为aren't。如：

    (1)I'm Alice, I'm not Mary. She's Mary.

    (2)This isn't my brother. He's my cousin.

    (3)They're my brothers. They aren't my friends.

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    （每空1分，）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）A代表        分子，B代表           ，D代表           ；
    （2）动物细胞吸水膨胀时B的厚度变小，说明B具有                 。
    （3）维生素D和葡萄糖从肠腔进入小肠上皮细胞的过程分别是图中编号          。
    （4）若图甲是癌细胞的细胞膜，则膜上含量较正常细胞减小的物质是[   ]        。
    （5）若图中是线粒体膜，b和c过程运输的气体分别是          。b、c运输方式符号图         所表示的物质运输曲线。
    （6）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＋的运输方式符合图中          所示曲线。
    （7）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、乙两组生长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．                                                                 。

    查看答案和解析>>

    听力理解(分四小节，共20小题；每小题1分，满分20分)

    第一节：信息选择。听下面5个句子，从A、B、C三个选项中选出你所听到的信息。每个句子读两遍。现在你有20秒钟时间浏览每个小题。

    1．

    A．creative

    B．active

    C．native

    2．

    A．south

    B．north

    C．west

    3．

    A．downstairs

    B．upstairs

    C．upside down

    4．

    A．

    B．

    C．

    5．

    A．

    B．

    C．

    第二节：情景反应。听下面5个句子，从A、B、C三个选项中选择一个恰当的应答语。每个句子读两遍。现在你有20秒钟时间浏览各个选项。

    6．

    A．It's June 18th．

    B．It's Tuesday．

    C．It's 2013．

    7．

    A．See you．

    B．Speaking, please．

    C．I'd love to．

    8．

    A．My pleasure．

    B．All right．

    C．That's all right．

    9．

    A．Oh, dear!

    B．Of course not．

    C．That's nice．

    10．

    A．Just a little．

    B．I’ve got a pain here．

    C．I hope not．

    第三节：对话理解。听下面5小段对话和问题，根据你所听到的内容，从A、B、C三个选项中选出一个能恰当回答所提问题的选项。每段对话读两遍。现在你有20秒钟时间浏览各个选项。

    11．

    A．To turn down the radio．

    B．To turn off the radio．

    C．To turn up the radio．

    12．

    A．At 8∶00．

    B．At 8∶10．

    C．At 8∶20．

    13．

    A．Windy．

    B．Rainy．

    C．Sunny．

    14．

    A．She's a nurse．

    B．She's a teacher．

    C．She's a doctor．

    15．

    A．Beside the supermarket．

    B．Across from the supermarket．

    C．In the supermarket．

    第四节：短文理解。听下面一段短文，根据短文内容回答下列问题。A、B、C三个选项中只有一个选项符合题目要求。短文读两遍。现在你有30秒钟时间浏览各个问题和选项。

    16．In the past, the school playground was ________．

    A．big

    B．new

    C．small

    17．We can see ________ in the school now．

    A．only one basketball field

    B．a playground, a library and many trees

    C．no trees

    18．There used to be ________ kinds of books in the library．

    A．a few

    B．few

    C．a lot of

    19．The school environment now ________．

    A．is bad for the students

    B．is good for the students

    C．is even worse

    20．This listening material is mainly about ________．

    A．a welcome to the visitors

    B．the great changes in the school

    C．the students

    查看答案和解析>>

    听力部分(共三节，20分)

    第一节：听对话选图画(共5小题，每小题1分，满分5分)

    听下面5段对话，每段对话后有一个问题，听完后，从题中所给的A、B、C三幅图画中选出符合对话内容的图画。每段对话听一遍。

    听第1段材料，回答第1小题。

    1．What does the doctor ask the boy to eat every day?

    A．

    B．

    C．

    听第2段材料，回答第2小题。

    2．How did Tom go to school today?

    A．

    B．

    C．

    听第3段材料，回答第3小题。

    3．What does the boy's sister do on weekend?

    A．

    B．

    C．

    听第4段材料，回答第4小题。

    4．What's the matter with the little boy?

    A．

    B．

    C．

    听第5段材料，回答第5小题。

    5．Where did the man go last Sunday?

    A．

    B．

    C．

    第二节：听对话或短文选答案(共10小题，每题1分，满分为10分)

    听第6段材料，回答第6－8小题。

    6．Can Victor play baseball after school?

    A．Yes, he can．

    B．No, he can't．

    C．We don't know．

    7．What's the matter with Victor's mother?

    A．She has a fever．

    B．She has a headache．

    C．She has a bad cold．

    8．Does Victor need help?

    A．Yes, he does．

    B．No, he doesn't．

    C．We don't know．

    听第7段材料，回答第9－11小

    9．Where are the two speakers going this evening?

    A．To a restaurant．

    B．To Sichuan．

    C．To Zhanjiang．

    10．Who likes Sichuan food today, the man or the woman?

    A．Neither．

    B．Both．

    C．The woman does, but the man doesn't

    11．What kind of food are they both going to eat today?

    A．Sichuan food．

    B．Fast food．

    C．Zhanjiang sea food．

    听第8段材料，回答第12－15小题。

    12．Who went to the Great Wall?

    A．Lucy and Lily．

    B．Lin Tao．

    C．Jim, Li Lei, Dave and Lin Tao

    13．Who ate Beijing Duck?

    A．Lily．

    B．Lucy．

    C．Lin Tao．

    14．What did Lin Tao do on Sunday afternoon?

    A．Watched TV．

    B．Played a game．

    C．Do homework．．

    15．What did Lin Tao forget to do?

    A．Have an English class．

    B．Do homework．．

    C．Exercise

    第三节：听对话或短文获取信息(共5小题，每题1分，满分为5分)

    查看答案和解析>>


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