在生态系统中，生产者和消费者所代表的生物分别是（）A．动物与动物B．植物与植物C．动物与植物D．植物与动物-生物

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• Hello, I ________ Jim.[ ]A. am B. is C. are D. be -七年级英语
• The boy ______ glasses is my classmate. He ______ of medium build.[ ]A. has, is B. with, has C. with
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• He would rather ________for himself than________for a meal.A．cook；going outB．to cook；go outC．cook；go
• 下列各项中，是生产者和消费者关系的是（）A．鲢鱼以浮游藻类为食B．山羊喝水C．蛇捕食青蛙D．老鹰抓兔子-生物
• Her books _____ under the chair. [ ]A. / B. areC. is D. an -七年级英语
• —What do you think of the music, Maria?—It _____ wonderful. [ ]A. feels B. sounds C. looks -八年级英语
• —Excuse me, Mr. Li. _______ I close the window? It’s cold now.—Yes, you _______.[ ]A. Can; may B. Ma
• 在生态系统中，细菌和真菌的角色是______．-生物
• --- Do you have _________ paper, Millie ? I want to write a letter.--- Sorry, I don’t have.A．any; so
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• — What _____ your teacher _____? — She is friendly. [ ]A. does, like B. is, like C. are, like D. do,
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• There _____ a pen and two pencils in the pencil-box.[ ]A. is B. are C. be D. am -七年级英语
• If you have difficulty_______a decision，wearing red_______it easier for you to take action．A．make；ma
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• 生态系统中的能量流动伴随着物质循环，下图为生态系统碳循环示意图。下列各项中叙述不正确的是[]A．①表示动物体内能量流向植物B．③表示植物的光合作用C．④表示动物的呼吸作用D．-八年级生物
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• Here a letter for you, Miss Green.[ ]A. hasB. is C. have D. are -九年级英语
• You_______ play with the knife. You ______ hurt yourself.A．mustn’t; mayB．mustn’t; mustC．shouldn’t; m
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• I _____ Ken. My family name ______ Martin. [ ]A. am, am B. is, is C. is, am D. am, is -七年级英语
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• Song Zuying's voice is so sweet and her songs _______very beautiful. [ ]A. taste B. smell C. so
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