—_____ you bring some things for me? —Yes, I can.[ ]A. Do B. AreC. Can D. Have-七年级英语

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• 非生物成分包括______、______、______和______等．它们为生物提供______、______和______．-生物
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• — Must we keep the windows ______ all the time? — No, you ______.[ ]A. closed; mustn'tB. close;
• 生态系统中物质循环的特点是[]A．周而复始的B．逐级递减的C．单向的D．双向的-八年级生物
• 用括号里所单词的适当形式填空。1.I ___(will) like to buy a tree.2.Please put these ____(photo) on the wall.3.Let ___
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• —Must we finish our homework before dinner?—No, you _____.[ ]A. mustn'tB. mustC. needn'tD.
• You _____ right.[ ]A. may beB. maybeC. can be-八年级英语
• 请根据如图所示生态系统，完成下列问题．（1）图中太阳能、水、二氧化碳、氮气都属于生态系统中的______．（2）图中所示蝗虫取食______，有______对足，善于______．（3）如果该生态系-
• It is raining hard outside, so we _____ stay in the classroom. [ ]A. must B. can C. have to D. might
• 根据你所学的生物学知识判断下列说法正确的是（）A．“有收无收在于水，收多收少在于肥”，这句话表明了植物的生长需要水和有机物B．既能生活在水中又能生活在陆地上的动物都属于两-生物
• You_____ smoke when you see the sign.[ ]A. mustB. shouldC. mustn'tD. needn't-八年级英语
• You play computer games for a long time. It’s bad for your eyes.A．shouldB．shouldn’tC．couldD．don’t ha
• 在如右图所示的食物网中，要使E的产量最高，把能量集中引向E的食物链应是（）A．A→B→C→EB．A→B→EC．A→DD．A→B→C-生物
• —Do we have to finish our homework this afternoon? —Yes, you _______. [ ]A. must B. can C. may D. ne
• 句型转换。根据所给提示，完成句型转换。每空一词，含缩略词。 1. He can play the guitar. (改为一般疑问句,并作否定回答)________ he play the guitar
• —I can't get to sleep at night.—You ____drink coffee at night.[ ]A. shoulds B. shouldn'tC.
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• Multiple choice. （5分）1. He mustn’t ________ a car _________.A drives, dangerously B drive, dangerous
• -Mom, _____ I go and play for a moment?-OK. [ ]A. do B. willC. shallD. must-八年级英语
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• That dictionary ______ belong to Gina．Tom’s name is on it． A．must B．can’t C．could-九年级英语
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• —May I try on the jeans?—Of course you _____.[ ]A. shouldB. need C. can D. must-九年级英语
• I ____like to help kids with their schoolwork. [ ]A. could B. wouldC. shouldD. will-九年级英语
• —Where _______ you like to go? —I’d like to go to France. [ ]A. will B. do C. would D. did -九年级英语
• 如图所示为草原生态系统的食物网示意图，能量从蛇传递到鹰的效率约为（）A．10%～20%B．50%～60%C．80%～90%D．100%-生物
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• 在自然界中，树木不断掉落树叶，动物不断地死亡，却不会出现树叶和动物尸体堆积如山的状况，这主要是因为（）A．被雨水冲走B．大雪掩埋C．树叶被风吹跑，动物尸体被秃鹫取食D．分解-生物
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