下列哪个既是字母又是单词？A. C B.I C. U-七年级英语

更多内容推荐

• 如图为某生态系统碳循环示意图，图中ABCD分别代表生态系统的成分，①--⑦代表碳元素的传递过程，请据图回答：（1）图中C是指______，D是指______．（2）碳元素通过______作用由生物进-
• 图为一个池塘生态系统，池塘内存有水草、浮萍、水绵、小鱼、大肉食鱼、虾等生物．（1）在该生态系统中，属于生产者的是______，属于消费者是______．（2）该池塘生态系统中还有一类-生物
• 句型转换1. The pay phone is next to the poat office. (改为否定句) The pay phone________next to the post offic
• —What do you want to _____when you grow up?—A doctor.[ ]A. areB. is C. beD. a-七年级英语
• Where _____ your pen pal from?[ ]A. come B. comesC. isD. is coming-七年级英语
• —Must I finish my homework right now?-- No, you ___, you ___finish it tomorrow morning.A．mustn’t, ca
• 如图是小明同学家中的一个生态瓶，内装有水，底部铺有沙子，瓶中生长着少量的水藻、青虾和小鱼等，该生态瓶可看成一个人工模拟的微型生态系统．请据此回答：（1）生态瓶中的沙子-生物
• —Dad, can I go to the movies tonight?—Sure, but you come back home before 9 o’clock. A. canB. mustC.
• _Could I go to the movie this Sunday, Dad? _ Yes, you_____. But you ______ come back before nine.A．s
• _____ your sweater the same _____ Sandy's?[ ]A. Is, as B. Does, like C. Does, as D. Is, like-八年
• 下列选项中, 缩写形式不正确的是 _____.[ ]A. I'mB. what'sC. You'reD. this's-七年级英语
• 请根据图示生态系统回答问题：（1）在以上生态系统中，动物属于消费者，细菌和真菌属于______，它们在自然界的______中起着重要的作用．（2）图中所示蝗虫身体分为______三部分，有-生物
• The flowers ________ every day, or they will die.A．must waterB．can be wateredC．should waterD．must be
• 下列说法正确的是（）A．生物与非生物具有统一性的一面B．生物与非生物没有任何联系C．从结构层次看，皮肤属于-组织D．细胞分裂中最重要的变化是细胞膜的形成-生物
• Some chicken in the bowl. And some eggs _ on the table.[ ]A. is; is B. are;areC. is; areD. are; is-七
• 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
• -- Look at that girl. Is it Susan?--No, it _______ be her. She has gone back to her home town .A．can
• ---I think _________________ in the morning is a good way to improve your spoken English. ---I agree
• --- May I go now? --- No. You ______________ let the teacher know first.”A．need B．must C．canD．may-九年
• —Let's play computer games.—That ______ good.[ ]A. tastesB.feelsC.soundsD.looks-七年级英语
• 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
• 句型转换。1. My book is more interesting than his book..(改为同义句)His book _____ _____ interesting as my boo
• I like these clothes. They ______ soft.[ ]A. lookB. tasteC. feelD. sound-八年级英语
• 在生态系统中，以朽木和粪便为营养的蕈类、粪金龟子、蜣螂等生物属于（）A．消费者B．生产者C．分解者D．消费者葙分解者-生物
• 在生态系统中，生产者是（）A．能够吃现成的植物B．都是吃现成的动物C．能够自己制造有机物D．从土壤中直接吸收有机物-生物
• 农田生态系统中，属于生产者的是（）A．青蛙B．昆虫C．水稻D．泥鳅-生物
• 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
• Tom _________ play football but he can’t play basketball. A. can’t B. can C. must-七年级英语
• –Can you speak French?--Sorry, I______.A．needn’tB．mustn’tC．can’tD．may not-八年级英语