选择填空。—How many bookcases ______ there in your study?— There ______ one. [ ]A. are, is B. is, are C.

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• — everybody here yesterday? —No, Linda wasn't here. [ ]A. Do B. Does C. Is D. Was -八年级英语
• I ______ able to sing any song but this one. [ ]A. may B. can C. am D. would -九年级英语
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• The number of the women teachers ______ 80 last term in our school. [ ]A. isB. are C. was D. were -九
• 鲁迅先生在《从百草园到三味书屋》中写到：“不必说碧绿的菜畦，光滑的石井栏，高大的皂荚树，紫红的桑椹；也不必说鸣蝉在树叶里长吟，肥胖的黄蜂伏在菜花上，轻捷的叫天子（云雀-生物
• Her sister ____ a taxi driver. Now she works for a charity.A．isB．were used to beingC．is used to bein
• 如图是某生态系统简图，请据图答题：（1）在这个生态系统中，阳光、空气、水等属于______因素．（2）图中陆地部分的食物网可画出几条食物链：______（3）如果食虫鸟的数量大量减少，对-生物
• 选择填空。—Hello! I ______ Jim. What's your name?— My name ______ Sally. [ ]A. am, is B. are, am C.
• I didn't know you ______ here. [ ]A. are B. will be C. have been D. were -九年级英语
• The magazine___________ be Lily's, for we can find her name on the cover.A．mayB．might C．couldD．
• They think wearing their own clothes _______ good for their studies. [ ]A．areB．do C．does D．is -九年级英语
• 生物圈中到处都有绿色植物．地球上包括我们人类的其他生物都离不开绿色植物．请就所学的知识回答：（1）绿色植物是生态系统中的______．（2）植物体的生长发育是从______开始的．（3）绿-生物
• They _____ England and they will be back next week.A．have gone toB．have been toC．have gone inD．has b
• 某草原生态系统中各成分之间的关系如图所示．请回答：（1）图中的植物是生态系统中的______者，动物是生态系统中的______者．（2）生态系统通过食物链和食物网进行着能量______和物-生物
• 根据下面的图示，判断说法正确的一组是（）A．图一所示图“大气”的成分是氧气，生态系统中的能量流动方向是动物到植物、微生物到动物、微生物到植物B．图二表示用显微镜观察洋葱鳞-生物
• 硝化细菌能利用化学能将无机物转变成有机物，满足自身对营养物质的需要，这类细菌在生态系统中属于（）A．生产者B．消费者C．分解者D．消费者和分解者-生物
• My father doesn’t have much money. I don’t have, ____. A．tooB．alsoC．stillD．either-八年级英语
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• When I got to the cinema, the film _____ for five minutes.[ ]A: had started B: had been on C: has be
• 如图示某两地生态系统中的甲、乙两个食物网，请根据所学知识回答问题．（1）甲和乙两图所示部分都不能称为生态系统，原因是______；在各自的生态系统中甲和乙的生产者都是_____-生物
• Some of my classmates _________ after school every day.A．walks homeB．walk homeC．walk to homeD．goes h
• 在生态系统中，太阳光的光能要参与生物圈中的能量流动，首先需要通过（）A．生产者B．消费者C．分解者D．非生物成分-生物
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• I can’t go to the cinema with you because I _______ stay here until my mother comes back.A．canB．coul
• —Be quiet, Mr Smith is coming.—Don’t worry. It ＿＿＿ be him. Mr Smith is much taller.A. mustn’t B. mus
• 选择填空。Miss Li ______ at home last Sunday. [ ]A．didn't B．doesn't C．wasn't -七年级英语
• 几位同学针对食物链“草→食草昆虫→食虫鸟”发表了他们各自的见解，你认为不正确的是（）A．草属于生产者B．食草昆虫和食虫鸟都是消费者C．保护食虫鸟对人类有益D．多条食物链就可构成-生物
• 单项选择。Here some pencils for every teacher now. [ ]A. wasB. wereC. isD. are -七年级英语
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• May I have a rest? I have already finished ______ the report.A．writeB．writingC．to writeD．written-九年级
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• —Can you speak English, Mr Wang？—Yes, but only＿＿＿A. little B. a little C. a lot-九年级英语
• Don’t worry. There’s still ________ time _________.A．few, leftB．a few, to leaveC．a little, leftD．a l
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• 近几年海洋石油泄漏事件多次发生，给海洋环境造成严重污染．科学家们利用一些细菌来清除洋面泄漏的石油以便净化海洋环境．这些能净化环境的细菌属于（）A．生产者B．消费者C．分解者-生物
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• —I lost my pet pig, but it came back yesterday.—As the saying goes: an old horse knew the way.A．塞翁失马
• The first question was difficult, but the rest were pretty easy.A．休息B．安定C．其余的D．停止-九年级英语
• How dangerous! She was driving the car with one hand and holding an ice cream with ____.A．the otherB
• 生态系统的构成是（）A．森林里所有的动物和植物B．校园里的各种花卉C．麦田里所有的生物D．池塘及池塘里所有的生物-生物
• --Is the man standing outside the teacher’s office Mr. Zhou?--No, it ______ be him. He has gone to H
• His ambition is ______ a basketball player like Yao Ming. [ ]A. to be B. be C. become D. being -八年级英
• 在一个生态系统中，不可缺少的生物成分是（）A．生产者、消费者、分解者B．各级消费者C．生产者、分解者D．生产者、初级消费者-生物