“万物生长靠太阳”，学过光合作用和呼吸作用的知识后，你怎样更深刻的理解这句话？（）A．植物的生长离不开太阳光B．动物的生长离不开阳C．所有生物体内的有机物都来自太阳光中D．所-生物

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• 如图是某草原生态系统食物网的一部分图解．请根据图分析回答下列问题：（1）此食物网的所有生物及其生活环境称生态系统．（2）在此食物网中，猫头鹰和蛇的关系是______．（3）蛇和鼠通-生物
• Lisa is going to clean her _______ room when she _________ back from school next weekend. A．living;
• 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
• “万物生长靠太阳”，你学过植物的光合作用和呼吸作用后，会怎样更深刻的理解这句话（）A．植物的生长离不开太阳光B．所有生物生命活动所需能量归根结底都来自太阳光C．动物的生长和-生物
• ——Don’t put the bike_______the teaching building.——Sorry, I won’t.A．onB．underC．aroundD．of-九年级英语
• There ____ an important exam next Saturday. We need to prepare for it.[ ]A. will haveB. areC. isD. w
• －Lily’s ideas are ________________ yours. －I know. She never agrees with me. A．the same asB．the same
• 生态系统中的物质和能量就是沿着食物链和食物网流动的．______．-生物
• 右图是一个农田生态系统的食物网内各种生物之间的食物关系示意图据图回答下列问题：（1）该食物网中有______条食物链．（2）如果将该生态系统中每一个环节中的所有生物分别称重，在-生物
• --- 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
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• 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
• Jim has a _____. He is going to the USA to visit his sister.A．two-months holidayB．two months’ holida
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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
• 用动词be 的适当形式填空1.-______ you at home last week?-Yes, I ________.2.-______ they away yesterday?-No, the
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• Please write me and tell me yourself.A．with, forB．to, aboutC．to, toD．to, for-八年级英语
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• What _____ you supposed_____when you are in Korea? [ ]A. do; to do B. are; to do C. are; doing D. ha
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• –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
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• —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
• －What do you think of the talent show in our school?－ I think teachers in Grade Two were ___________
• 下列不属于生态系统的是（）A．北海湿地B．养牛场的一群奶牛C．郊外的农田D．宋风山国家森林公园-生物