I don’t know if it _____tomorrow. If it ____, I will stay at home.A．will rain, rainsB．rains, will ra

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• 单细胞生物必须生活在水中。-七年级生物
• If you really hold on to your dreams, they _______ true one day.[ ]A. cameB. comes C. has comeD. wil
• —Shall we go out for a walk as soon as it __ ? —That sounds great.[ ]A. stops rainingB. rainingC. st
• 结合下图所示生物，回答问题（1）需借助来观察这些生物的内部结构。（2）它们都属于生物，A的名称是。B进行光合作用的场所是，C通过与外界进行物质交换。（3）上述生物中具有细胞壁-七年级生物
• You can’t play with your rabbit ______ you finish your homework.A．becauseB．whileC．afterD．until-八年级英语
• – I don’t know when ________ the day after tomorrow_ I’ll call you when ______.A．he will come; he co
• 下图为草履虫结构模式图，请据图回答：（1）图中②为表膜，相当于细胞的。（2）图中标号①的名称是，该结构与草履虫的有关。（3）草履虫的遗传物质储存在图中标号所示的结构中。（4）一-八年级生物
• 结合图，回答问题。（1）需要借助_____________来观察这些生物的内部结构。（2）他们都属于______生物，A的名称是______，B进行光合作用的场所是_____________，C通过细
• 关于单细胞生物的说法正确的是生物（）。A．能独立完成各种生命活动B．都属于动物类群C．都在一定程度上净化污水D．都必须生活在水中-七年级生物
• 下列哪种生物属于单细胞生物（）。A．蜗牛B．草履虫C．蚯蚓D．蛔虫-七年级生物
• We’ll go to the park if it ________.A．won’t rainB．don’t rainC．doesn’t rainD．not rain-八年级英语
• The students ________ have a sports meeting this weekend if it ________.A．won’t; rainsB．will; rainsC
• If it rain tomorrow, I visit my uncleA．doesn’t; willB．does ;/C．/;willD．does; will-八年级英语
• ---Helen is a thoughtful girl. --- Yes. I think she is _____ plan everything well.A．too talented toB
• I got home _____ they were having dinner.A．as soon asB．whileC．becauseD．after-八年级英语
• 整个身体由一个细胞构成的生物，叫做生物，这个细胞能完成生物体的生命活动。-九年级生物
• 某同学探究“不同营养液对草履虫培养效果的影响”，实验设计如下表。下列对该实验改进建议不合理的是（）组别营养液的种类营养液数量营养液温度草履虫数量甲组稻草浸出液500毫升-七年级生物
• He is a dishonest man. _________ he said to us, we didn’t believe him.A．WhereverB．WheneverC．HoweverD
• -- When can I play computer games, Mum?--______ your homework _______.A．Until, finishesB．Not until,
• 草履虫依靠下列哪种结构运动A．伪足B．表膜C．纤毛D．鞭毛-七年级生物
• 单项填空Chen Guangbiao says he ________ all his money to charities when he dies.[ ]A. leavesB. leftC. wi
• If your mother were here, she ______ allow you to surf the Internet for so long.A．won’tB．doesn’tC．di
• 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