请你用直线将下列两行有所属关系的名词连起来．水草藻类草食鱼人细菌狮子生产者消费者分解者．-生物

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• —How much _____ the blue pants? —_____ $20. [ ]A. is; It's B. are; These are C. are; They'
• A book and a pen________on the desk.[ ]A. isB. are C. doesD. do-七年级英语
• — Are you going to Beijing by air?— It’s fast, but expensive. So I’m not sure. I _____ take a train
• --- I hope Jim won’t mind lending you his new digital camera. --- He ___________. I have already bor
• “一山难容二虎”这一谚语，用生物学观点可以理解为（）A．身体强壮的虎以身体弱小的虎为食B．虎所需的生活空间很大C．虎性情孤独，不群居D．虎所处的营养级高，获得的能量少，个体数-生物
• 砍伐后的树桩经过一段时间后，会生长地衣、蘑菇、蚂蚁及各种微生物等，其中的蘑菇属（）A．生产者B．消费者C．分解者D．非生物物质-生物
• 陆地生态系统不包括（）A．森林B．草原C．荒漠D．湖泊-生物
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• Thereadingroom____veryquiet.Ienjoyreadingbooksthere.[ ]A.amB.isC.areD.be-九年级英语
• A bed and a computer_____in my bedroom.[ ]A. areB. isC. hasD. have-七年级英语
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• If you don't go to Lisa's party, you'll. [ ]A. sorryB. be sorryC. is sorryD. is afrai
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• 用所给的词的适当形式填空1. How much _____ (be) the blue socks? 2. Can you help _____ (I)? 3. She often _____ (wa
• Maybe he can _______ in our club.[ ]A. beB. isC. /-七年级英语
• 蘑菇是生态系统中的分解者．______．-生物
• 如图为某草原生态系统中的食物网示意图，请据图回答：（1）在此生态系统中青蛙和蜘蛛除了捕食关系外还有______关系．（2）在草原生态系统的组成中，图未画出的生态系统的组成成分是-生物
• 下列属于生产者的是（）A．工人B．农民C．植食性动物D．绿色植物-生物
• —Mike’s parents have bought a 2-floor house with a swimming pool.— Oh, it________ be very expensive.
• ---What should we do first if we want to develop our village?---Lots of new roads ________, I think.
• --Listen! Is Tom singing in the room?-- No, it ______ be Tom. He has gone to Paris. A. mustn’t B. n
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• —Mary, you bring my math book to school?—OK, Dave. [ ]A. can B. are C. doD. is -七年级英语
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• —Must I finish the work today, Mom?—No, you . You can finish it tomorrow .A. mustn’t B. can’t C. nee
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• 用am,is,are填空。1．What ________ your name?2．My name ________ Tom. 3．I ________ John Brown. 4．Her name _
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• --______ we clean the classroom at once? --No, you _____. You____ clean it after school.A．Must, need
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• 用am, is或are填空1. —What____your name? —My name____Linda.2. —Hello! How____you? —I____fine, thanks.3. —
• - You’d betterbecause you have to drive back home. - OK.A．not drinkingB．not to drinkC．not drinkD．don