细胞学说主要阐明了[]A．细胞的多样性和统一性B．细胞的统一性C．细胞的多样性D．生物界的多样性-高二生物

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• 细胞学说揭示了[]A．植物细胞与动物细胞的区别B．细胞的多样性和细胞的作用C．细胞统一性和生物体结构统一性D．人们对细胞的认识是艰难曲折的过程-高三生物
• 下列关于细胞学说及其建立过程的叙述，不正确的是[]A．离不开技术的支持B．需要理性思维和实验的结合C．论证了动植物的统一性D．标志着生物学的研究进入分子水平-高三生物
• The finding which ________ the research is very important. [ ]A. basing onB. base onC. to base onD.
• The UK ______ four parts:England, Scotland, Wales and Northern Ireland.[ ]A. make up B. is made ofC.
• 下列符合细胞学说内容的是[]A．一切动植物由细胞发育而来B．细胞由细胞膜、细胞质、细胞核组成C．动植物细胞有明显区别D．新细胞从老细胞中产生-高一生物
• He collected information on 1,000 people, whose IQ when they were ten years old.[ ]A．is testedB．has
• 真核细胞和原核细胞最大的区别是[]A．有没有由膜包被的细胞器B．有没有细胞膜C．是不是具有由膜包被的细胞核D．有没有核糖体-高一生物
• 下列属于原核生物的一组是[]A．痢疾杆菌和衣藻B．酵母菌和疟原虫C．链球菌和乳酸菌D．病毒和蓝藻-高一生物
• 以下内容中，不属于细胞学说的是[]A．细胞是一个有机体，一切动植物都是由细胞发育而来的B．细胞中只有细胞膜、细胞质、细胞核，没有其他物质C．细胞有它自己的生命，又对生物整-高二生物
• Months ago we sailed ten thousand miles across this opensea, which _____ the Pacific, and we metno s
• 下列哪项不是细胞学说的主要内容[]A．一切动植物由细胞及其产物构成B．细胞是生物体相对独立的单位C．细胞可以产生细胞D．细胞分为细胞质、细胞核和细胞膜三大部分-高一生物
• Nowadays, too many children________TV. That's bad for their eyesight and TV also keeps them fro
• He complained that this was the third time he _____ of the changes of the meeting. [ ]A. is informed
• A Frenchman who lost his arms and legs successfully swam across the Channel, a challenge he _____ fo
• The nine coal miners ________ in the coal mine for 20 hours before we came to their rescue in Yansha
• He collected information on 1,000 people, whose IQ ________ when they were ten years old.[ ]A. is te
• 施莱登和施旺共同提出[]A．提出细胞学说B．构建磷脂双分子层模型C．提出进化学说D．发明显微镜-高一生物
• 19世纪30年代创立的细胞学说的最主要的意义是[]A．证明病毒不具有细胞结构B．使人们对生物体的结构认识进入微观领域C．证明生物之间存在亲缘关系D．发现动植物细胞的不同之处-高一生物
• 最先观察和记载植物细胞结构的学者是[]A．英国植物学家布朗B．英国自然科学家虎克C．荷兰生物学家列文·虎克D．德国植物学家施莱登-高一生物
• If city noises_____from increasing, people _____shout to be heard even at dinner.[ ]A. are not kept;
• The other day we traveled fifteen hours to a magic country. which America,and we enjoyed ourselvesth
• According to the art dealer, the painting_____ to go for at least a million dollars.[ ]A. is expecte
• In order to reduce the increasing prices of vegetables, the toll (过路费) _____ if a truck carrying the
• 下列四组生物中，都属于真核生物的一组是[]A．大肠杆菌和草履虫B．SARS病毒和蘑菇C．蓝藻和酵母菌D．衣藻和喇叭虫-高一生物
• 可作为对一种单细胞生物进行分类的依据是[]A．核膜的有无B．核糖体的有无C．细胞壁的有无D．膜上载体蛋白的有无-高一生物
• — How was the journey? — Tiring! I caught the train at the last second but all the seats _____. I st
• 下列关于细胞学说的说法正确的是[]A．细胞学说的主要建立者是虎克和列文虎克B．细胞学说主要揭示了生物体结构的统一性C．细胞学说从建立伊始，观点就全部是正确的D．细胞学说是生-高一生物
• Experiments of this kind ________ in both the U. S. and Europe well before the Second World War.[ ]A
• 下列有关细胞学说的叙述中，正确的是[]A．一切生物都是由细胞构成B．细胞是一个完全独立的单位C．所有细胞只能由细胞分裂而来D．细胞对另一个个体的其他细胞起作用-高一生物
• 下列关于细胞学说的论述，错误的是[]A．一切动植物都是由细胞发育而来的B．新细胞可以从老细胞中产生C．细胞是一个独立的单位D．细胞学说在修正中不断得到完善-高一生物
• —Will Mr. Green be able to see me at 10:00 ?—Sorry, but hefully until 3:30 unless there's a can
• It is said that some software on learning subjects for pupils _______ in a very practical way. [ ]A.
• Textbooks___to come in time. [ ]A. requireB. are required C. requiredD. are requiring-高一英语
• Is honesty the best policy? We ________ that it is when we are little.[ ]A. will teach B. teachC. ar
• 下图所示最可能是哪一类生物或细胞的模式图[]A．哺乳动物精子B．原生动物C．病毒D．细菌-高一生物
• John had to have his car repaired in a garage because it _____seriously.[ ]A. damaged B. was being d
• The policeman's attention was suddenly caught by a small box which ______ placed under the Mini
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• 细胞学说主要阐明了[]A．细胞的结构B．细胞的种类C．细胞的统一性D．细胞的多样性-高二生物
• 科学家通过对动植物细胞的研究，提出了细胞学说，下列叙述错误的是[]A．细胞是一个相对独立的单位B．多细胞生物体内的单个细胞对整体的生命不起作用C．老细胞通过细胞分裂产生新-高一生物
• —Rose is sobbing now.—So she is. You see life________joy and sorrow.[ ]A. is made up of B. is consis
• After the earthquake, tsunami and radiation leaks, Japan is having a hard time, but the people there
• 下列四组生物中，细胞结构最相似的是[]A．变形虫、水绵、香菇B．蓝藻、灵芝、豌豆C．小麦、番茄、大豆D．大肠杆菌、酵母菌、霉菌-高一生物
• The manager entered the office and was happy to learn that four-fifths of the tickets ______. [ ]A.
• July was feeling a little blue because her mother _________ from her job and she had lots of bills t
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• — Did you telephone Mr. Brown?— Yes, he ____ back before tomorrow morning.[ ]A. expects B. expected
• All the employees except the manager to work online at home.[ ]A. encourages B. encourageC. is encou
• 以下内容中，不属于细胞学说的是[]A．细胞是一个有机体，一切动植物都是由细胞发育而来的B．细胞有它自己的生命，又对生物整体的生命过程起作用C．原核细胞没有细胞核和复杂的细-高一生物
• 关于细胞学说的叙述，不正确的是[]A．它揭示了动植物细胞的统一性和生物体结构的统一性B．创立者主要是施莱登和施旺C．它揭示了动植物细胞的多样性D．是多位科学家在探索中开拓、-高一生物