爱护花草树木是每个人的责任和义务．树木属于生态系统中的（）A．非生物部分B．生产者C．消费者D．分解者-生物

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• ---I think _________________ in the morning is a good way to improve your spoken English. ---I agree
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• Mum, _____ my good friends, Kate and Lucy. [ ]A. she is B. they are C. this is D. these are -七年级英语
• 句型转换。1. He is playing computer games in the club.(改为否定句)He_______computer games in the club.2. They
• My pensal __ Singapore. [ ]A. fromB. is from C. come fromD. are from-七年级英语
• --- Can you spell your name, please?--- Yes, I _________.A．doB．canC．can'tD．am-七年级英语
• 体育运动会上，某同学在3000米长跑时所需能量的直接能源、主要能源物质和最终能源依次是（）A．太阳能、糖类、ATPB．ATP、糖类、脂肪C．ATP、脂肪、太阳能D．ATP、糖类、太阳能-生物
• 下列叙述中涉及到哪些生态学概念？请选择．A、个体B、种群C、生物群落D、生态系统①“文昌书院”旁边的那棵古樟______②校园中所有的樟树______③校园中所有的生物______④美丽的校园-生物
• 在农田生态系统中，属于生产者的是（）A．农民B．水稻C．青蛙D．细菌和真菌-生物
• 近年来全国各地发展了“农作物--猪--沼气--茶”等生态农业模式，猪粪及秸秆经发酵产生沼气和渣水．沼气可以燃烧，渣水可为茶林及农作物施肥．将猪粪发酵成沼气和渣水的微生物种类-生物
• 某森林公园动植物资源丰富，生活着大鲵（俗称娃娃鱼）、黄腹角雉、五步蛇和连香树等珍稀物种，该森林公园中的大鲵是生态系统中的（）A．非生物部分B．分解者C．生产者D．消费者-生物
• 改错题。1. Each of the students in our class have an English-Chinese dictionary. 2. We don’t go to schoo
• He _____ late for school. [ ]A. is oftenB. often is C. does oftenD. often does-七年级英语
• 请根据句意从方框中选择合适的动词,并用其适当时态填空,使句子通顺。teachflybe wait have 1. How many students _____________ there in yo
• —Whose book is this?—It ____ be Linda's. It has her name on it.[ ]A. canB. mayC. must D. need -
• It's time for class, please__ quiet.[ ]A. is B. be C. areD. /-七年级英语
• 老林是林场的护林员，大家闲时就逗老林，老林，为啥不让砍树呢？他把脖子一扭，很认真地说：“哼，砍光了树鸟就没地方住了，山羊和豹子也没藏身的地方了，剩下了人，有啥意思？”-生物
• Yoube hungry after the long walk．Help yourself to some cakes．A．can’tB．shouldn’tC．needD．must-九年级英语
• Her bag _________door [ ]A. behind theB. is behind C. is behind the-七年级英语
• —Must I return the book to you now, Jack? —No, you _____. You can give me back tomorrow.A．won’tB．nee
• 生产者、消费者和分解者构成了一个完整的生态系统．______．-生物
• ---Mum, I’m stressed out.--- I think you ____ listen to some music..A．mustB．can’tC．shouldD．shouldn’t
• My trousers _____the same size _______hers.[ ]A. is; asB. are; asC. is; likeD. are; like -八年级英语
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• 用 is / isn't/ am / are 填空1. Thismy teacher .2. Ifine.3. Is she Maria ？No， she 4.you Jane ？ No，
• 今年初的雪灾使很多竹木拦腰折断，却也冻死了许多越冬害虫和虫卵．眼下田里不用打那么多农药了，农作物长势喜人．这说明同一食物链上生产者和消费者之间有此消彼长、相互制约的-生物
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• What________ your ideal school _________ ?[ ]A. does ; likeB. do; likeC. is; like D. is ; likes-八年级英
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• —Can I go to the park, Mum?—Certainly. But you ______ be back by six o’clock. A．can B．may C．might D．
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• 连线题A组：A、猫头鹰----1、分解者B、蘑菇----2、生产者C、菠菜----3、消费者B组：A、老虎吃野猪----1、合作关系B、许多蜜蜂在酿蜜----2、竞争关系C、田里的水稻与杂草----3
• 用am, is, are填空。1. Alice _____ my sister.2. I_____ 12 years old.3. You_____welcome.4.He and I_____in
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• — Must we finish our homework today?— No, you ________.A．can’t B．mustn’t C．don’t have to-八年级英语
• —What do you use computers to do? —They are useful.For example, they can_ sending e-mail. [ ]A. use
• This case is too heavy. Could you _____ me a favor?A．to do B．doing C．do-八年级英语
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