生态系统不论大小，都有哪两部分组成（）A．生物部分和非生物部分B．生产者和消费者C．生物和阳光空气D．分解者和生物部分-生物

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• 句子改错1. This question is very easier than that one.A B C D2. I have two friends, Liu Li and Liu Ying.
• Your plan_________good. Let’s discuss it. [ ]A. sound B. to soundC. sounding D. sounds-八年级英语
• 南极洲是世界上最为寒冷的地区．2010年11月11日至2011年4月1日，我国完成了第27次南极科学考察．下面是科考队员在南极的一些做法：为了保护南极的生态环境，南极科考队员要把粪-生物
• —How do you feel the music?—it _______ wonderful.[ ]A. soundsB. is soundingC. is sound-八年级英语
• You _________lose your way if you walk alone in the mountains at night.A. may B need C. should D. ou
• —Dad，can I go to the movies tonight?--Sure，but you__come back home before 9 o’clock.A．canB．mustC．may
• —Hey, Ted! You _______ never play in the street. It’s not safe.—Sorry, Mum. I won’t again.A．needB．mu
• This dictionary______ Tom’s. It has Ann’s name on itA. might be B. may he C. can’t be-九年级英语
• ---I don’t care what my parents think. ---Well, you __________.A．couldB．shouldC．wouldD．must-九年级英语
• 某地大量捕捉青蛙，导致害虫大量繁殖，水稻减产，造成这种生态失调的原因是破坏了生态系统的（）A．生产者B．消费者C．分解者D．食物链-生物
• —A travel may be good for your health .—Maybe, but I have ______ money______ time to do that .A. nei
• The storyboring.[ ]A. real soundsB. really soundsC. real soundD. really sound-七年级英语
• —Can you come to my party on Wednesday?—Sorry, I can’t. Ifinish my homework.A. may B. would C. have
• 生态系统的组成包括（）A．生产者和消费者B．生产者、消费者和分解者C．生物成分和非生物成分D．阳光、空气、水和土壤-生物
• 生态农业是指运用生态学原理，在环境与经济协调发慌的思想指导下，应用现代科学技术建立起来的多功能综合农业生产体系，如图是某农业生态系统的结构模式图，请据图回答：（1）该-生物
• I am sorry , for the trafficbusy.[ ]A. is B. areC. haveD. has-八年级英语
• Even a drop of water ______because it is so important to all the living things.A．must wasteB．must be
• The work is too hard for him. He _______ finish it on time.[ ]A. can't B. mustn't C. shoul
• Your father and mother ________young. [ ]A. look B. look atC. look like D. look after -七年级英语
• （一）如图是生态系统中碳循环的简明示意图，请根据图回答下列问题：（1）图中缺少的一个重要箭头，请在图中画出．（2）A过程是通过______完成的．（3）A、B、C、D四个过程中，________-生物
• 如图是草原生态系统各成分的关系图．请据图回答问题：（1）在这个生态系统中，生产者是______，消费者是______，细菌和真菌作为______，在自然界中起到分解动植物遗体，参与物质-生物
• Taiwan Island is______ the southeast of China.A. in B. on C.to-九年级英语
• 一个小生态瓶就是一个生态系统，它们都是由什么组成（）A．植物、动物、细菌和真菌B．生产者、分解者、消费者C．非生物部分和生物部分D．阳光、空气、水-生物
• —Must I finish my homework at school?— No, you_____. you can do it at homeA．can’tB．mustn’tC．needn’tD
• Half ofthe students in our class _____ interested in reading English stories. [ ]A. is B. are C. hav
• It_____ like a good idea. We'll think about it.[ ]A. soundB. soundsC. looksD. look-八年级英语
• 如图表示生态系统中物质循环的过程。（①～⑥表示生理过程）。请分析回答：（1）这个生态系统的物质和能量最终来源于[]_________。（2）完成④过程的是________，A经过⑤过程吸收的物质是-八
• 有一些细菌和真菌能够分解枯枝落叶，动物尸体和粪便中的有机物，获得生活必须的物质和能量，这种营养方式称为______．腐生性微生物属于______．-生物
• 野兔靠吃野草来生活，狼以野兔为食物，狼一旦碰到老虎，也就成了牺牲品，老虎死后，又成了细菌的乐园，不用多久，尸体就分解得精光，变成了二氧化碳、水和无机盐，回到了大自-生物
• —I use your eraser, Rose?— Sure. Here you are.May B. Would C. Need D. Must-九年级英语
• 用have gone to / have been to / have been in / went to 填空。1. —Hi, I'm looking for you everywhere
• Fred ________ many football boots. But this pair of boots ________ the nicest. [ ]A. has, are B. has
• I like soft and gentle music. It _______ nice.[ ]A. tastes B. looks C. sounds D. feels-九年级英语
• —Don’t drive so fast ,Tom. You______ get a ticket for speeding .—OK, I will slow down ,Mum .A. must
• 生态系统的物质循环是（）A．单向流动B．循环流动C．逐级递减D．逐级递增-生物
• 在生态系统中，植物能光合作用制造有机物，被称为______．而动物只能直接或间接利用植物为食，则称为______．-生物
• Mr. Smith, together with his wife, ______ coming soon. [ ]A. are B. is C. were D. does -九年级英语
• Itthat they had no change with them at that moment.[ ]A. seemedB. was seemedC. seemD. is seemed-八年级英
• This idea is very good,but Mr. Wang_______.[ ]A. against itB. is againstC. is against itD. against-八
• 蜜蜂和白菜是两种常见的生物，它们在生态系统中分别属于哪种成分？组成其身体的细胞中分别具有哪些结构？请你通过连线来表示．-生物
• 水稻、小麦等绿色植物，能够通过光合作用，把无机物合成有机物，把光能转变成化学能贮藏在有机物中．这类生物在生态系统中属于______．-生物
• When asked what they needed most, the kids said they wanted toimportant and loved. [ ]A. turn B. sou
• May I ask you ________ questions?A．someB．anyC．aD．a little-八年级英语
• 在生态系统中，动物作为______，直接或间接以______为食，它们产生的代谢废物又可以被生产者利用，其粪便及遗体经______分解后，以无机物的形式进入生态系统，所以，动物在生-生物
• — What do you want _____? — I want to be a doctor.[ ]A. to do B. to be C. to work -七年级英语
• 实验装置如右图所示，甲、乙、丙瓶置于阳光充足的窗台上（室温不超过25℃），丁瓶置于黑暗的纸箱中．假设5条金鱼的生命力相近，则瓶中的金鱼生存时间最长的是（）A．甲瓶B．乙瓶C．丙-生物
• -Do you like the song You and Me?-Of course. It _________ great.[ ]A. soundsB. looksC. smells-八年级英语
• There is going toa soccer match in our school next month.[ ]A. have B. hold C. be D. host-八年级英语
• Both Kate and I ________ ready for the picnic now.[ ]A. is notB. is gettingC. are gettingD. am getti
• 如图是某营养元素循环简图，下列选项中哪一组合能分别代表X、Y、Z三种生物？（）A．分解者、消费者、生产者B．生产者、消费者、分解者C．消费者、分解者、生产者D．生产者、分解者、-生物