—Mr. Wang __________ be in the office. The light is still on.—No, he __________ be. Because he phone

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• The cake _____ good. I can't wait to eat it. [ ]A. feels B. sounds C. becomes D. smells -九年级英语
• --Who is making much noise?---It ____ be Timmy. He is sleeping now.A．can’t B．may notC．mustn’t D．coul
• We hope that as many people as possible ______ join us for the charity show tomorrow.A．needB．canC．mu
• 在一个成分复杂的生态系统中，对保持生态平衡起决定作用的是（）A．非生物的物质和能量B．生产者C．消费者D．分解者-生物
• Don't go out to play. You_______finish your homework first.[ ]A. mustB.haveC.hadD.have to-八年级英语
• —Can you tell me what to wear at the party?—If I you, I the blue jeans.A．am; will wearB．was, will we
• –Look at that girl! Is it Susan? --No, it _______ be her. She went to her hometown just now.A．mustn’
• 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
• Put a bit of sugar in the coffee, and it will ______ better. [ ]A. sound B. taste C. look D. make -九
• 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
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• — What color _____Li Ming's clothes?— _____ white and black. [ ]A. does; It's B. do; We�
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• 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
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• 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
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• Today is Wednesday. He _______ be at home. He _____ be at school.A．can’t, canB．can’t, mustC．mustn’t,
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• --Must I come at four o’clock? -- Oh, no, you ______.A. can’t B. mustn’t C. needn’t.-八年级英语
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• 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
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• —Nice to meet you , Mike.________?—Everything is OK. Thanks.A What are you doing B Where have you be
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• 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