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

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• --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
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• 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
• If it _______tomorrow, I will go on a picnic.A．will rainB．rainsC．isn’t rainD．doesn’t rain-八年级英语
• 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
• 下列属于单细胞生物的是（）A．草履虫B．洋葱C．黄瓜D．金鱼-七年级生物
• 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
• If it _____ rain, they will climb the hill. [ ]A. won't B. doesn'tC. isn't -七年级英语
• 草履虫体表的纤毛分布在[]A．全身的表膜B．体表一圈C．口沟内D．身体前段-七年级生物
• 下列生物属于单细胞生物的是（）A．海带B．蜗牛C．蚯蚓D．衣藻-生物
• 草履虫不具备下列哪个特点（）A．身体由一个细胞构成B．能在水中自由运动C．能对外界刺激作出反应D．有起支持和保护作用的细胞壁-七年级生物
• I don’t knowhe will come tomorrow,he comes, I will tell you.A．if; whetherB．whether; whetherC．whether
• 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
• 下列属于单细胞生物的是（）A．衣藻B．草履虫C．眼虫D．A.B.C都是-七年级生物
• 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
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• 变形虫喜欢生活在[]A．水流缓慢的小河B．水质比较清洁的小河C．池塘底部的淤泥以及烂叶中D．以上所有环境-七年级生物
• She will call you if she ____. A．goes toB．went backC．is coming backD．comes back-八年级英语
• 下列生物中属于单细胞生物的是A．蚂蚁B．大豆C．变形虫D．蚯蚓-七年级生物
• I don't know if Jack _____. If he _____, call me, please. [ ]A. will come; will comes B. comes;
• the movie star goes, there are lots of fans waiting to see her.A．WhateverB．HoweverC．WhereverD．Whoeve
• 用高倍镜观察变形虫细胞时，看到的细胞结构包括（）A.细胞壁、细胞核、叶绿体B.细胞核、叶绿体、线粒体C.细胞核、DNA、线粒体D.细胞膜、细胞核、细胞质-七年级生物
• Frank _____ to see his grandma if he _____ free tomorrow.A．will come ; will beB．comes ; isC．will com
• We’ll stay at home if it ______ this afternoon.A．rainB．rainsC．to rainD．will rain-八年级英语
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