We ________ like to thank the honest boy.A．hadB．wasC．couldD．would-八年级英语

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• —Listen! Is Tom singing in the classroom?—No. It ____ be Tom. He has gone to Paris.[ ]A. may not B.
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• 在某生态系统的一些生物部分和非生物部分中，有阳光，绿色植物，虫和鸟，细菌等．请根据以上说明回答．（1）在这个生态系统中，生产者是______，消费者是______．（2）细菌的作用是-生物
• 单项选择。How far ____ it from Changchun to Shijiazhuang? [ ]A. be B. are C. isD. to be -七年级英语
• 单项选择。Mary with John ____ listening to the radio.[ ]A. is B. are C. do D. does -七年级英语
• About one third of workers in the factory _____ women. [ ]A. is B. are C. be D. am-八年级英语
• 蘑菇、小麦、蝗虫、燕子这些生物在生态系统中的成分依次是（）A．生产者、生产者、消费者、消费者B．生产者、生产者、分解者、消费者C．分解者、生产者、消费者、消费者D．分解者、-生物
• 选择填空。______ you interested ______ such a dangerous job? [ ]A．Do; in B．Are; in C．Are; with -七年级英语
• －Must we leave now?－No, we ________. We still have two more hours.A．can’tB．mustn’tC．needn’tD．shouldn
• —Another cup of tea?—No,thanks. I_______ be off. Gina is waiting for me.A. can b. must c. may-九年级英语
• 词形变化。1. Mr. Smith and his family _______ (be) in the park now. 2. Do you go _______ (fish) at the we
• 单项选择。Everyone ______ working hard in our school. [ ]A.am B.is C.are D.be -七年级英语
• 如图展示一片森林中常见的生物现象，请分析回答下列问题：（1）一片森林可以看做一个______，其组成包括了这一地域内的所有生物和______．（2）图中树皮里有昆虫的幼虫，那么昆虫幼-生物
• 生态系统的能量流动是伴随着下列哪项进行的[]A．生产者B．消费者C．分解者D．物质循环-八年级生物
• 虎、豹等大型食肉性动物，在种类和数量上均比其它动物少得多，造成这种现象的主要原因是（）A．它们的繁殖能力低B．栖息场所有限C．被人类大量捕杀D．在食物链中所处的营养级较高-生物
• 下列各种生物全部为生产者的一组是（）A．蘑菇、酵母菌B．芦荟、大肠杆菌C．水稻、海带D．蜘蛛、绵羊-生物
• 小李调查了某农田生态系统中的部分生物，绘制了如图．请据图回答：（1）该生态系统中属于生产者的有______．（2）图中所有的动物可统称为______．（3）农民投放灭鼠药后，该农田中老鼠-生物
• As we’re students, we __________ obey the school rules.A．canB．mayC．mustD．could-九年级英语
• －Look, your sister is playing the piano over there.－She ______ be my sister. She has gone to America
• —I can't give up smoking, doctor.—For your health, I'm afraid you _____.[ ]A. may B. can C
• 选择填空。—______ you like The Sound of Music?— Yes. ______ interesting. [ ]A．do, it's B．Do, It'
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• 如果用一个小型生态瓶模拟一个生态系统，设计实验时，不需要考虑的因素是（）A．外界氧气B．光照C．瓶内生物的种类和数量D．温度-生物
• 王亮在做校园调查时，作了如下记录：在一棵阴湿的、一侧干枯轻微腐烂的大树下，观察到：腐烂的树干上及露出的树根旁长了一些蘑菇；树冠向阳的一侧，树叶比较茂盛，嫩叶上见到了-生物
• Don't go out to play. You ________ finish your homework first. [ ]A. must B. have C. had D. had
• Could I look at your picture? --Yes, of course you ______.A．couldB．canC．willD．do-八年级英语
• —Look at the man in the classroom! Is he Mr. White?—No, it __________be him. He’s eating in the dini
• 单项填空。Canada, the U.S., the U.K. and Australia ______ English-speaking countries. [ ]A. is B. are C.
• 在一个生态系统中，除了生产者、消费者和分解者外，还包括______．-生物
• There is a saying "No news ____ good news". [ ]A. is B. are C. be D. will be -七年级英语
• You worry about me. I’m fine. A. can’t B. mustn’t C. needn’t-九年级英语
• 某生态系统中含有鹿、蛇、猫头鹰、草、兔、鼠等生物，其间关系如图所示，下列因素能使猫头鹰增多的是（）A．蛇多、鹿多、草少B．鹿少、蛇多、鼠少C．兔少、草少、鼠少D．蛇少、草多-生物
• —Bill, is the pink umbrella Anna's? —No, it _____ be hers. Hers is purple. [ ]A. might B. must
• – Physics _____ more difficult than Chinese, do you think so? -- Yes, I think so. A. is B. are C. ha
• 人类在生态系统中扮演的角色是（）A．生产者B．生产者和消费者C．消费者D．消费者和分解者-生物
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• If you are in the zoo, remember not to touch or go near the animals. Although some of the animals ar
• --- Mum, could I play with my classmates for a while after I finish my homework? --- _______. But yo
• 单项填空。Where _____ you from? [ ]A. are B. is C. do D. does -七年级英语
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• 生态系统是指下列哪两种成分彼此作用而构成的一个统一整体（）A．生产者和消费者B．生产者和分解者C．生物和非生物环境D．生产者和环境-生物
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• Tom and I good friends. [ ]A. is B. am C. are D. be -七年级英语
• If prices rise too high, the government has to do something _________ it. A．stopB．stoppedC．stoppingD
• 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