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

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• The policeman's attention was suddenly caught by a small box which ______ placed under the Mini
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• 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
• —How was your weekend, Bella?— Awful! That was the first time I _____ alone at home, bored to death.
• — 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
• 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．建立者主要是施莱登和施旺C．它揭示了动植物细胞的统一性和多样性D．是多位科学家在探索-高一生物
• 在细胞学说创立的过程中，有很多科学家做出了贡献，下面的说法不符合事实的是[]A．詹森制造的显微镜第一次使人类能够观察到肉眼无法区分的奇妙的显微领域B．虎克第一次观察到了-高一生物
• He will stop showing off, if no notice ________ of him.[ ]A. is takenB. will be takenC. takenD. has
• 将下列各句变为被动语态（可以省去动作执行者）.1. The USA Academy of Motion Picture Arts and Sciences gives Academy Award on
• The police found that the house _____ and a lot of things _____. [ ]A. has been broken into, has bee
• He insisted that his bike ______ stolen and his wife insisted he ______ have to telephone the police
• A series of stimulus policies and supportive measures taken by the government ________ to promote ch
• 提出细胞学说的科学家是[]A．巴斯德B．萨姆纳、切赫C．虎克、列文虎克D．施莱登、施旺-高一生物
• 下列符合细胞学说的说法是[]A．细胞是个有机体，一切生物都是由细胞发育而来B．细胞中只有细胞膜、细胞质和细胞核(拟核)，没有其他物质C．细胞学说主要揭示了生物体结构的统一性-高一生物
• A special dinner there might include Chinese pork dish, British roast beef and Frenchstyle vegetable
• -I hear Tom ________ playing games.-________ no wonder he is easy to feel sleepy in class.[ ]A．is ad
• —Much knowledge as well as many abilities_____ from our teachers.—Yes.We should love and respect our
• 下列关于细胞学说创立过程的叙述不正确的是[]A．主要由施莱登和施旺创立B．其内容之一是一切生物都是由细胞发育而来，并由细胞和细胞产物构成C．“细胞通过分裂产生新细胞”是对细-高一生物
• 细胞是一个绝对独立的单位，正确吗？-高一生物
• The policeman's attention was suddenly caught by a small box which ______ placed under the Mini
• ____ the telephone number several times, but he couldn't learn it by heart. [ ]A. Having told B
• The world's elderly population will exceedthat of children by 2060, when each group ________ to
• Nowadays, too many children________TV. That's bad for their eyesight and TV also keeps them fro
• The class ________seven groups, each having eight students. [ ]A. divides intoB. is divided intoC. s
• 细胞学说的建立过程是一个经科学家探究、开拓、继承、修正和发展的过程，充满了耐人寻味的曲折。下列说法正确的是[]A．德国科学家施莱登和施旺发现细胞并创立了细胞学说B．细胞-高一生物
• According to the dealer, the painting ________ to go for at least one million dollars. [ ]A. is expe
• “细胞学说”被恩格斯列为19世纪自然科学的三大发现之一，“细胞学说”创立的最重要意义是[]A．揭示了形形色色生物界中各种生物都是由细胞构成的B．揭示了一切细胞都是具有生命活力-高一生物
• 细胞学说的内容之一指出：一切生物都是由细胞构成的，正确吗？-高一生物
• Someone told me that the thief who was stealing in our shop last week _____ by the police. [ ]A. has
• Even though she _____ to hospital without delay, she would not have been saved. [ ]A. had rushed B.
• All visitors to this village ________ with kindness.[ ]A. treatB. are treatedC. are treatingD. had b
• The coal miners________in the coal mine for 10 hours before we came to their rescue.[ ]A．had trapped
• The hospital ________ well, where many wounded _________ every day. [ ]A. is operated, operation B.
• The river smells terrible.People must ________dirty things into it.[ ]A. be stopped to throwB. be st
• 细胞学说的建立说明了①植物细胞与动物细胞的区别②人们对细胞的认识是一个艰难曲折的过程③技术对科学发展有推动作用④科学发展是开拓、继承、修正和发展的过程[]A．①②③B．①②④C．①-高一生物
• The girl is very shy, and seldom speaks until she ________ to. [ ]A. is spokenB. is speakingC. speak
• 细胞学说的建立过程(按时间先后排序)是①从人体的解剖和观察入手②理论思维和科学实验的结合③显微镜下有重大发现④细胞学说在修订中前进[]A．①②③④B．①③②④C．③①②④D．③①④②-高一生物
• — The window must have taken you quite a lot of time that day.— You are right. They _____ for weeks.
• _____ many times, but he still couldn't understand it. [ ]A. Though he had been told B. Having
• John had to have his car repaired in a garage because itseriously.[ ]A．damaged B．was being damagedC．
• At the end of the meeting,it was announced that an agreement.[ ]A. has been reachedB. had been reach