单项填空。Where _____ you from? [ ]A. are B. is C. do D. does -七年级英语

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• ____ Simon good at English? [ ]A. Do B. Are C. Does D. Is -七年级英语
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• 选择填空。The little girl ______ afraid of the dogs. [ ]A．doesn't B．isn't C．can't -七年级英语
• — Can I go to the movie, Mum? — Certainly. But you be back by ten o'clock. [ ]A. can B. may C.
• ______ you don’t give up, your dreams will come true. A. As long asB. As soon as C. As well as-九年级英语
• —______ I put the bike here?—No, you can't.[ ]A. MayB. MustC. NeedD. Shall-八年级英语
• 如图为民谣“螳螂捕蝉，黄雀在后”所描述的生态系统中各种成分之间相互依存的关系图，请据图回答：（1）绿色植物、细菌、真菌和其他三种动物组成了生态系统中的______成分；（2）请-生物
• 如图表示某个生态系统中各种成分之间的关系，图中的①所代表的成分名称是（）A．生产者B．消费者C．分解者D．非生物的物质和能量-生物
• —What's in the reading room?— There a teacher, twenty desks and thirty chairs in it. [ ]A. am B
• There ____ a pen, a ruler and two books on the desk. [ ]A. is B. are C. aren't D. am -七年级英语
• 单项选择。Look at the monkeys. ______ they cute? [ ]A．Isn't B．Aren't C．Don't -七年级英语
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• Where ______ the post office? [ ]A. are B. is C. does D. do -七年级英语
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• —Must I go with them tomorrow?—No, you . A. mustn’t B, shouldn’tC. needn’t D. can’t-九年级英语
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• “神舟”七号宇宙飞船顺利返航，三位宇航员除了把生活用品包装带回地球外，他们的尿液、粪便也要一并带回．这是因为太空中（）A．缺乏分解者B．没有消费者C．缺乏空气D．温度太低-生物
• If you _____the book, you ____ buy it right now, I think.A．needn’t, needn’tB．don’t need, don’t needC
• 单项选择。Lily and Linda ______ good friends. [ ]A. amB. isC. are D. be -七年级英语
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• 改错。1. My favorite subject is math and English. 2. Why do she like music best?3. What's you favo
• —How many students are there in your school?—the students in our school over two thousand. A．The num
• 如图是某草原生态系统中的食物网示意图，请根据图回答问题．（1）在此生态系统中青蛙和蜘蛛除了捕食关系外，还有______关系．（2）在草原生态系统的组成中，图中未画出的生态系统的-生物
• —Peter doesn’t mind lending you his camera.—He __________. I’ve already borrowed one.A．needn’tB．can’
• 选择填空。 Where ______ Bob and Tom ______? [ ]A. is; from B. do; comes C. are; from D. does; from -七年级英语
• 选择填空。______ you from England? [ ]A. Are B. Do C. Where D. How -七年级英语
• 地理中国栏目报道：广西某地最近突然出现了一条“变色河”，该河大多河段清澈见底，唯独在靠河岸某处呈黄褐色；不久之后，该处黄褐色会逐渐消褪，却又在较远的河中央开始出现．（-生物
• 梅花山是国家级森林和野生动物自然保护区．梅花山生态系统中的非生物因素包括（）A．生产者B．消费者C．分解者D．空气、水分、阳光-生物
• Tom has grown enough to take care of.A．tall; himB．tall; himselfC．old; himD．old; himself-九年级英语
• 墨西哥湾漏油事件发生后，中美科学家发现了一种能“吸食”石油的细菌．这种细菌属于（）A．生产者B．消费者C．分解者D．消费者和分解者-生物
• 选择填空。Yesterday ______ my little brother's third day to school. [ ]A. is B. was C. are D. be -七年
• Nanjing isn’t so large __________ Shanghai, however, it’s the second __________ city in East China.A
• 在生态系统中，绿色植物属于（）A．生产者B．消费者C．生物部分D．非生物部分-生物
• 硫细菌能利用化学能将无机物转变为有机物，这类细菌在生态系统中属于（）A．生产者B．消费者C．分解者D．消费者和分解者-生物
• The final exam is coming. Our teachers tell us _____ time. A. not to waste B. not waste C. don’t was
• When I was a child, my grandmother _____ me interesting stories. A. used to tell B. is used to telli
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• 选择填空。Who ______ the women in the picture? [ ]A. is B. are C. be D. am -七年级英语
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• 生物圈中的动物必须直接或间接地以______为食，通过消耗绿色植物合成的______来维持生活，所以，动物是生物圈中的______．-生物
• 细菌属于生态系统中的______，其生殖方式是______．-生物
• 句型转换，每空一词。1. They're used for seeing in the dark. (改为否定句)Theyfor seeing in the dark. 2. Liu Wei
• The number of teachers in our school _______ greatly increased last term.A number of teachers in thi