分解者是生态系统中的重要组成成分，下列哪种生物不属于分解者（）A．灵芝B．枯草杆菌C．青蛙D．蘑菇-生物

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• I'msorrytohavekeptyouwaitinglong.Nevermind,I_______hereforonlyafewminutes.[ ]A. havebeen B. hav
• – There’s somebody at the door. Who ____ it be? Is it the postman? -- No. It ______ be him. It’s jus
• Li Lei _____ Hubei. He is my good friend.[ ]A. come from B. is come from C. is from D. from -七年级英语
• 某一生态系统中有绿色植物、细菌、真菌、鼠、蛇、鹰，其中属于消费者的是（）A．细菌、真菌B．绿色植物C．鹰、细菌D．鼠、蛇、鹰-生物
• —This T-shirt _____ Jim’s. I saw him playing basketball here just now.—No, it _____Jim’s. Look, at t
• He____know the answer, but I’m not sure.A:maybe B:may be C:may D:must-八年级英语
• （1）草A、消费者：（2）昆虫B、分解者：（3）细菌、真菌C、生产者：（4）田里的水稻和杂草D、生长（5）老虎吃野猪E、竞争关系（6）植物开花结果F、捕食关系（7）小虎长成大老虎G、繁殖．-生物
• 如图是草原生态系统的食物网示意图，据图回答：（1）从生态系统的成分来看，兔属于______（填“生产者”、“消费者”或“分解者”）．（2）“草→鼠→鹰”这条食物链中包括了3个环节；补充食物-生物
• 实验室的水族箱里生活着水生植物、动物、还有其他微生物，这样的水族箱可以看作是（）A．食物链B．食物网C．生态系统D．生物圈-生物
• — Whose radio is this?— I think _______. [ ]A. it's Andy B. it's Andy's C. its Andy D
• — What color _____Li Ming's clothes?— _____ white and black. [ ]A. does; It's B. do; We�
• I’d an English teacher an officer.A．rather be, thanB．to be, to beC．rather to be, thanD．rather be, th
• What ___________ the life like in the north , do you know?[ ]A. doesB. willC. wouldD. is-八年级英语
• 生态系统的能量最终来自于（）A．太阳能B．生产者C．消费者D．分解者-生物
• —People find it hard to get across the river．—I think at least two bridgesover it．A．needB．are needin
• There is a “ No smoking “ sign here. You _________ smoke.A．canB．mayC．needn’tD．mustn’t-九年级英语
• 由于市场销路不景气，菜农们种植的东瓜卖不出去．大量冬瓜都烂在田地里，这时，地里的微生物将（）A．数量下降B．数量上升C．不能生存D．稍有增加-生物
• —Do you like listening to Moonlight Sonata (月光曲)? —Yes. It ______ really beautiful. [ ]A. feels B. l
• —What did you say? —I said I _______ mad at you. [ ]A．was B．am C．will be D．were -八年级英语
• --Excuse me. How can I get to the museum?--Follow your nose. It’s only about 250 meters on the left.
• MrBrownandhisfamilyhave_______Sanyaforafew weeks.[ ]A.beeninB.workedC.gonetoD.leftfor -九年级英语
• Haveyouheardofthestory?It_______funnyandinteresting.[ ]A.looksB.tastesC.smellsD.sounds -九年级英语
• “落红不是无情物，化作春泥更护花”的诗句反映了（）A．生态系统中能量流动的单向性和不可逆性B．生态系统中的物质循环C．生物与环境相互依存、相互制约的关系D．生态系统中生物与食-生物
• （1）在此生态系统中，生产者是______（2）如向池塘中投放一些大黑鱼（肉食性），则池塘中小鱼的数量将会______（填增加或减少）．试写出一条图中的食物链______（3）一段时间后，该池塘-生物
• Today is Wednesday. He _______ be at home. He _____ be at school.A．can’t, canB．can’t, mustC．mustn’t,
• 属于消费者和生产者关系的是（）A．青蛙捕食昆虫B．黄鼠狼吃鸡C．长颈鹿吃树叶D．松鼠吃蘑菇-生物
• Lucy’s colour ____ blue because she likes to be the leader, so it ____ red.A．can’t be; must be B．can
• 按要求改写句子。1. The Green Family are staying in Qingdao for five years.(就划线部分提问) _________ _________ ____
• —"Katrina is a famous singer." —"I think so, And her voice _________ very sweet (甜美的)
• —Let's play soccer after school. —That ______ great! [ ]A. sounds B. looks C. hears D. listens
• 小薇买来的香蕉放了几天后，开始慢慢长出“黑斑”，出现了腐烂的现象，这与生态系统中的什么成分有关（）A．生产者B．分解者C．消费者D．都不是-生物
• --Must I come at four o’clock? -- Oh, no, you ______.A. can’t B. mustn’t C. needn’t.-八年级英语
• If you ______tired，you’d better have a rest.[ ]A. be B. isC. areD. may-八年级英语
• 从老鹰吃蛇，蛇吃青蛙，青蛙吃昆虫，昆虫吃植物，可以看出，老鹰体内的有机物最终来源于（）A．光B．植物C．蛇D．昆虫-生物
• 请完成下列图解．（1）上图表示一个生态系统，其组成成分中生物部分缺少了______（2）生产者与消费者之间的关系，主要是______的关系，这样就形成了食物链．该生态系统中有______条-生物
• 下列生物属于生产者的是（）A．柳树B．羊C．细菌D．猪-生物
• —Nice to meet you , Mike.________?—Everything is OK. Thanks.A What are you doing B Where have you be
• —Well, let's go to visit the Ren'ai Park this Saturday. —That _______ great. [ ]A. feels B
• —I hit a tree on the way to meet my friend at the railway station. —I am sure that youhave been driv
• 下列能构成生态系统的是（）A．生物圈及生物圈内的生物B．一个湖泊中的所有生物C．地球上的所有人类D．长白山森林中的所有树木-生物
• 下列各组生物，全部属于生产者的一组是（）A．病毒、紫菜、地衣B．苹果树、松树、小麦C．蘑菇、白菜、水稻D．啄木鸟、松树、杨树-生物
• 如图是生态系统的组成示意图，请据图用图中序号回答问题：（1）生态系统中的生物部分包括生产者、消费者和分解者，请指出图中生产者是______，消费者是______和______，分解者是-生物
• —KoreansingerJangNara______Chinaforyears.—Lastweek,shealso______herwishtolearncrosstalk(相声).[ ]A.has
• Today is Wednesday. He _______be at home. He ______ be at school.A．can’t, canB．can’t, mustC．mustn’t,
• His father and mother ____ teachers.[ ]A. are all B. are both C. both are D. all are -七年级英语
• — How _____ your vacation, Lucy? — It was pretty good. [ ]A. did B. were C. do D. was -八年级英语
• —These roses _______ lovely. —I want to send them to my teacher on Teachers' Day. [ ]A. look B.
• 在生态系统中，属于分解者的是（）①河中的鱼②树桩上的蘑菇③淡水中的草履虫④土中的细菌⑤高山上的油松⑥草丛中的蝗虫．A．③⑤B．①②C．④⑥D．②④-生物
• She doesn’t ______ a new dictionary because she bought _____ a week ago.A．need to buy, oneB．need buy
• —Is that man Mr Hu?—That ______ be Mr Hu. Because he has gone to Japan with his wife.A．couldB．can’tC