生态系统的物质循环是指组成生物体的物质在_______与________之间的往返循环。-八年级生物

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• --- Is there a pay phone _______ the neighborhood?--- Yes, it’s____ Center Street____ the right.A．in
• 用所给单词的适当形式填空。1. Where_____(be) your parents form? 2. He is a_____ (Japan) teacher. 3. _____ she_____
• _____ people in the world are sending are receiving e-mails every day.A．Million ofB．Many millions of
• I have never heard______.A．so wonderful a musicB．so wonderful musicC．such a wonderful musicD．such wo
• —You can join our sports club.—That ______ exciting. [ ]A. listens B. sounds C. must D. be -七年级英语
• 从方框中选择合适的短语，并用其适当的形式填空。take one's life; calm down; be pleased with; play the roleof; at the end
• I have a bad cold. It's making me________ terrible.[ ]A. feels B. feelC. feelingD. to feel-九年级英
• 北美的凯巴森林主要由松树、冷杉和云杉构成，森林的底层还生长着多种草本植物．森林中大约有4000多只黑尾鹿吃树叶或草本植物．狼以黑尾鹿为食，凶狠的美洲狮常常捕猎狼和黑尾熊-生物
• 王琳在做校园调查时，作了如下记录：在一棵阴湿的、一侧干枯轻微腐烂的大树下，观察到：腐烂的树干上及露出的树根旁长了一些蘑菇；树冠向阳的一侧，树叶比较茂盛，嫩叶上见到了-生物
• －What is your math teacher like, Nick?－She is very kind _________ she looks a little serious. A．alth
• 生态系统的主要功能是[]A．能量流动和物质循环B．能量循环和物质流动C．能量积累和物质合成D．物质分解和能量释放-八年级生物
• Do you know __________ the park? A．the way ofB．the way toC．where isD．which way is-八年级英语
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• -How ______ your vacation? -It ______ pretty good. [ ]A. was; was B. were; was C. did; was D. did; w
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• Go straight this street and , you can see the post office.A．turn the leftB．turn to rightC．turn leftD
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• Next week, there ____________ a different New Year party on HNTV.A．is going to be B．are going to hav
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• 下面列举的是温带草原生态系统中的几种生物（1）连接的食物链有______条，写出里面任何一条食物链______（2）有毒物质DDT沿着食物链积累．该生态系统中，DDT积累得最多的生物是__-生物
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• The library is _____ the restaurant and the supermarket.A．nextB．nearC．betweenD．across-八年级英语
• Please write me and tell me yourself.A．with, forB．to, aboutC．to, toD．to, for-八年级英语
• _________ can I get to the libraryA．WhatB．WhereC．WhoD．How-八年级英语
• 属于分解者的一组生物是（）A．水藻和地衣B．细菌和病毒C．真菌和细菌D．地衣和鱼-生物
• 下图是生态系统中碳循环图解，图中的甲、乙、丙各是：[]A．甲是生产者，乙是消费者，丙是分解者B．甲是消费者，乙是生产者，丙是分解者C．甲是生产者，丙是消费者，乙是分解者D．-八年级生物
• What _____ you supposed_____when you are in Korea? [ ]A. do; to do B. are; to do C. are; doing D. ha
• —ThebestthingtodoinHainanIslandisscubadiving.Thefishandthecoralreefsarebeautiful.—That_______interes
• 消费者和生产者的关系是（）A．相互利用B．吃与被吃C．互惠互利D．相互竞争-生物
• –The banana is too big. Do I need ____?A. cut it up B. to cut it up C. to cut up it-八年级英语
• I have to tell you.A．anything interestingB．something interestingC．interesting anythingD．interesting
• ____ are you cleaning the house?Because I want to sweep away bad luck.A．WhatB．WhenC．WhyD．How-七年级英语
• —What ______ people in Korea supposed to do when they first meet?—They usually bow.[ ]A. are B. do C
• My grandmother _____ young in the red sweater. [ ]A .sounds B. looksC. sees D. listens-七年级英语
• I want to _______ a _______ basketball player, but my mother don't agree with me.[ ]A. be, prof
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• 下列生物中，属于“分解者”的是（）A．蘑菇B．白菜C．青蛙D．蛔虫-生物
• I am going to play basketball this Saturday_____ I like basketball.A．soB．becauseC．alsoD．but-七年级英语
• Alan is looking forward to _____ on Saturday. A．outB．goes outC．go outD．going out-七年级英语
• Look! Those boys are ____ a bus.A．waiting forB．waitC．wait forD．waiting-七年级英语
• You'dbetter__________nexttime. [ ]A. careful B. becareful C. arecareofD. carefully -七年级英语
• Abookandapen______onthedesk.[ ]A. isB.areC.does-七年级英语