当食草动物摄取食物时，植物体内的能量就会全部流入动物体内．______．-生物

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• 用am, is或are填空1. —What____your name? —My name____Linda.2. —Hello! How____you? —I____fine, thanks.3. —
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• 在下列生物中，属于分解者的是（）A．猫B．水绵C．木耳D．小麦-生物
• “狼吃羊、羊吃草”，狼体内的能量最终来源于（）A．狼B．草C．羊D．光-生物
• Anna is not my sister. _____my cousin. [ ]A. HeB. He's C. SheD. She's-七年级英语
• 在生态系统中，能量流动一般是从绿色植物固定太阳能开始的．______．-生物
• —What about the picture over there? —It _______ nice. [ ]A. tastes B. gets C. looks D. sounds -九年级英语
• Eddie _______ my good friend. He _______ ill three days ago. [ ]A. is; was B. be; is C. was; ill D.
• —Must I finish the paper tonight? —No, you _______ finish it tomorrow.A．mustB．needn’tC．canD．shouldn’
• 生物圈中的各生态系统之间往往是相互联系、相互影响的。[]-八年级生物
• —Look at the picture on the wall. It ________be David’s.—Yes, his name is on the first page.A．canB．c
• Today, we _____ work as hard as people did in the past.A．mustn’tB．can’tC．shouldn’tD．don’t have to-九年
• 在生态系统中，各种生物的数量一般是（）A．植物＞植食动物＞肉食动物B．肉食动物＞植食动物＞植物C．植物＞肉食动物＞植食动物D．肉食动物＞植物＞植食动物-生物
• I like friends who _________ friendly and easygoing.[ ]A. isB. haveC. areD. has-九年级英语
• - Must I clean the Lable now? - No, you ____. You may do it later.A．can’tB．needn’tC．mustn’tD．should
• 下列生物中，全部为生产者的一组是（）A．磨茹、白菜B．.酵母菌、菠菜C．.海带、丝瓜D．.乳酸菌、紫菜-生物
• 如果有一天太阳被毁灭了，那么地球上无法生存的生物是（）A．动物B．植物C．人类D．地球上所有生物-生物
• 在生态系统中，植物是生产者，能通过光合作用制造有机物；______是消费者，它们直接或间接地以植物为食；细菌、真菌是______者；这三者构成了生态系统的生物部分．-生物
• The small sheep ____________ white and lovely, I like them very much. A. is B. are C. were-九年级英语
• ---I think Miss Lin must be in the library. She said she would go there.---No, she __________be ther
• ( )28.－_____ you put away your books?－Yes, mum. I’ll do it at once.A．MightB．ShouldC．CouldD．Must-英语
• — I think the man over there must be Bob.— It _______ be him. He has gone to England.A．can’tB．mustn’
• —We will go to the Wushan Square this afternoon, why not take a bus? —We ________ take a bus , it’s
• 在生态系统中腐生性微生物和寄生性微生物分别属于（）A．分解者、生产者B．分解者、消费者C．生产者、分解者D．生产者、消费者-生物
• —______ I take the magazine away from the reading room?— No, you mustn’t. You ______ read it only he
• ---Must we donate our pocket money to the poor right now?---No, you _______. You can think it over a
• This summer holiday I did an English course which ________ for four weeks. [ ]A. lastsB. lasted C. w
• 下列属于生产者的是（）A．进行光合作用的植物B．动物C．微生物D．人-生物
• 如图是一个生态系统部分结构示意图，据图分析回答：（1）图中的太阳光、水、空气、无机盐都属于生态系统中的______成分．（2）细菌和真菌在生态系统中属于______．（3）请写出图中的捕-生物
• 生产者与消费者的区别在于（）A．生产者是以消费者为食的生物B．能否利用光能（或化学能）将无机物合成储存能量的有机物C．消费者是直接以生产者为食的生物D．消费者能利用现成的有机-生物
• 下列微生物在生物圈属于消费者的是（）A．枯草杆菌B．流感病毒C．蓝藻D．根瘤菌-生物
• — Must I feed the goldfish now? — No, you ______. But you must do it before supper.A．needn’tB．mustn’
• Sometimes we have much homework to do, but not often. Anyway, it ______in time.A．can finish B．should
• –Whose notebook is this? Is it Julie’s? –It _________be hers, she has gone to Beijing. A. mustB. mus
• --Have you decided where to go for your summer vacation? --Not yet. We_________ go to Mount Lu. It i
• Kate and I _____ good friends.[ ]A. areB. isC. amD. be-七年级英语
• My brother _______ eating spicy food now because he has had it for five years.[ ]A.used toB.is used
• There is going to _____ a meeting this afternoon.[ ]A. beB.holdC.openD.opened-八年级英语
• Jenny says she might _____ a doctor in the future.[ ]A. isB. beC. makes D. to be-八年级英语
• There a heavy rain in the north of China tomorrow. [ ]A. will haveB. will has C. will be D. be-七年级英语
• 植物是生物圈中的______者，动物是生物圈中的______者，大部分腐生微生物是生物圈中的______者．-生物
• 仔细观察图，填写有关内容：（1）该食物网共有______条食物链，请写出最长的一条食物链：______．（2）在该食物网中，生产者是______．-生物
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• 下列有关生产者、消费者、分解者之间关系的叙述不正确的是（）A．生产者可为消费者提供食物和栖息场所B．消费者有助于植物传粉受精、种子传播C．分解者将动植物遗体分解成无机物又-生物
• 用助动词和情态动词do, does, don't, doesn't, is, am, are, be, can, can't填空1. —Does he have a ba
• —Let's play computer game.—That _________ good.[ ]A. is soundB. soundC. soundsD. is sounds-七年级英
• —_____yourfamilywithyouinChina?—No,theyareinAmerica. [ ]A. Is B. Do C. Are D. Does -七年级英语
• There's going to a film at the cinema this evening. [ ] A. beB. have C. beingD. having-七年级英语
• Red good luck. [ ]A. thinksB. meansC. looks D. hears-七年级英语
• 观察图，据图回答下列问题：（1）生态系统中，图中A是______者，B是______者．（2）从图中我们观察到生态系统中的分解者是______，它们把动植物的遗体分解成______、水和无机盐．（3-