Don't go out to play. You_______finish your homework first.[ ]A. mustB.haveC.hadD.have to-八年级英语

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• –Look at that girl! Is it Susan? --No, it _______ be her. She went to her hometown just now.A．mustn’
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• 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
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• — 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�
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• —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
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• --Excuse me. How can I get to the museum?--Follow your nose. It’s only about 250 meters on the left.
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• 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
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• —"Katrina is a famous singer." —"I think so, And her voice _________ very sweet (甜美的)
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• 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
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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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• 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
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• 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
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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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• —These roses _______ lovely. —I want to send them to my teacher on Teachers' Day. [ ]A. look B.