-- When can I play computer games, Mum?--______ your homework _______.A．Until, finishesB．Not until,

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• 单项填空Chen Guangbiao says he ________ all his money to charities when he dies.[ ]A. leavesB. leftC. wi
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• I don’t know if he________ to the park tomorrow. If he ________, I won’t go, either. A. goes, goes B
• If the weather ________ fine , she _________ to the countryside with her parents.A．is; will goB．is ;
• She asked if I ________ to Beijing tomorrow. If I ________, she will go with me.A．go; goB．go; will g
• I will stay at home and read books if it _______ tomorrow.A．is rainingB．rainsC．rainD．will rain-八年级英语
• 草履虫能完成许多生理活动。下列关于其结构和生理功能的对应关系不正确的是（）A．表膜——呼吸和排泄B．食物泡——消化食物C．伸缩泡——伸缩产生运动的动力D．胞肛——排出食物残渣-九年级生物
• You’d better wear a pair of comfortable trainers when ________a long walk. A．you takeB．takingC．to ta
• 下列关于单细胞生物的叙述中，不正确的是A．不能完成呼吸、生殖等复杂的生命活动B．能够独立生活C．能够趋利避害、适应环境D．整个生物体只有一个细胞构成-七年级生物
• While I _ a Zhengjian Evening Paper inthe sitting room, the doorbell rang.[ ]A.was readingB.readC.is
• 下列生物中，只能通过电子显微镜才能观察清楚的是：A．酵母菌B．变形虫C．细菌D．病毒-八年级生物
• --I want to know when Mr. Brown will arrive.--When he , I will tell you. A. will arrive B. arrived C
• If you _____ at noon, you ____ the feeding of animals.A．arrive at there; will seeB．will arrive there
• I don’t know if Mr Wang ________here tomorrow . If he ______ , please tell me.A．comes , comesB．will
• While Helen __________ the guitar, her mother came in.A．was playingB．is playingC．playedD．plays-八年级英语
• _________she was having supper , her telephone rang.A．While B．As soon asC．AfterD．Before-八年级英语
• The pupils hurried to the classroom _____ the bell rang.[ ]A. until B. as soon as C. if D. so that-八
• 如图所示的四种单细胞生物在结构上既有相同之处也有不同之处，它们都能在各自的环境中独立存在．（1）A、B都属于菌类，A在细胞结构上与B最主要的区别是．（2）C属于植物，因为其细-八年级生物
• We will invite Mr Li for dinner if he _____to our school this afternoon.[ ]A. came B. will come C. c
• Though he got up early, ______ he missed the train.A．butB．orC．andD．\-九年级英语
• 生物兴趣小组的同学在培养草履虫时发现，草履虫常集中在培养液的表层，原因是培养液的表层A．氧气充足B．阳光充足C．营养丰富D．温暖-七年级生物
• 下列属于单细胞真核生物的是（）A．青霉B．蘑菇C．酵母菌D．噬菌体-八年级生物
• 草履虫的运动是依靠()A．伸缩泡伸缩B．食物泡流动C．细胞质流动D．纤毛摆动-七年级生物
• While I _______ TV in the sitting room, the bell _______.A．watches, ringsB．watched, rangC．was watchi
• 把含有变形虫的池水放入烧杯中，不久变形虫就会聚集在水的上层。这是因为它们需要（）。A．充足的氧气B．充足的阳光C．充足的养料D．较高的温度-七年级生物
• - How will you spend your weekends?-If I ______free, I ______ to the cinema with my friends. [ ]A. w
• While heTV，a football flew into the room through the window．A．watchesB．is watchingC．was watchingD．Wa
• 下图是某同学所绘的衣藻、病毒、细菌、酵母菌和草履虫五种生物，但忘记标注它们的名称了。（1）将这五种生物的名称填入相关序号后的空格中。①②③④⑤（2）上述生物没有细胞结构的是-八年级生物
• The car is ________ expensive _______ he can’t buy it.A．too; toB．so; thatC．such; thatD．enough; that-
• Ｉdidn’t go to bed _______ I finish my homework.A．afterB．whenC．ifD．until-九年级英语
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• The driver hurt the girl_____ badly_____ she had to see a doctor.A．so, thatB．either, orC．too, toD．ne
• 我们在显微镜下观察草履虫时，有时会呈现绿色，原因是[]A．体内含有叶绿体B．食物中有绿色藻类C．由于我们观察角度不同D．光线太暗-七年级生物
• 下列哪项不是单细胞生物（）A．草履虫B．徐闻山羊C．衣藻D．变形虫-七年级生物
• 下列关于单细胞生物的叙述中，错误的是()A．整个生物体只由一个细胞构成B．不能完成呼吸、生殖等复杂的生命活动C．生物体能够趋利避害，适应环境D．单细胞生物个体能独立生活-七年级生物
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• Though the key was pressed, nothing ______ on the screen.A．appearedB．was appearedC．appearsD．is appea
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• They develop their skills _________ they can do things better and better.A．howeverB．becauseC．sinceD．
• —Tommy, do you know if Frankto the theatre with usthis Sunday if it?—Sorry, I have no idea.[ ]A. wil
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• 下列各项中，不属于单细胞生物的是（）A．病毒B．变形虫C．酵母菌D．草履虫-七年级生物
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• The mountain was ______ steep ______ few people in our city reached the top.A．so; asB．so; thatC．as;
• Tomorrow is Sunday. Jim will go hiking with his friends if it ________.A．isn’t rainB．doesn’t rain C．
• I'll go camping with you, if I _____ free tomorrow.[ ]A. will be B. am C. shall be D. was -九年级英