Even though she _____ to hospital without delay, she would not have been saved. [ ]A. had rushed B.

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• 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
• Great attention must ________ education, especially in the countryside. [ ]A. be paid to developingB
• -There is________on smoking in this theatre.-Do you mean smoking________in this theatre? [ ]A．a ban；
• 细胞学说的内容不包括[]A．所有的生物都是由细胞组成的B．细胞由细胞膜、细胞质和细胞核构成C．所有的细胞必定是由别的活细胞产生D．细胞是所有生物结构和功能的基本单位-高二生物
• 下列科学家对细胞学说的建立作出了积极的贡献，其顺序正确的是[]A．维萨里、虎克、比夏、列文虎克B．维萨里、虎克、施莱登和施旺C．列文虎克、虎克、魏尔肖、施莱登D．维萨里、魏-高一生物
• 下列说法不正确的是[]A．细胞学说揭示了动植物细胞的统一性和多样性B．细胞学说是多位科学家在探索中开拓、继承、修正和发展后建立的C．将显微镜的低倍镜换成高倍镜后，一个视野-高一生物
• Months ago we sailed ten thousand miles across this open sea, which ________ the Pacific, and we met
• 细胞学说指出：一切动植物都由细胞发育而来。这个学说的科学价值主要是[]A．告诉人们所有的生物均由细胞构成B．证明了生物彼此间存在着亲缘关系C．说明了动植物的细胞是一样的D．-高一生物
• They would tell how the slaves _____on a ship to an American port on a rainy day. [ ]A. being brough
• — George and Lucy got married last week. Did you go to their wedding?— No, I _____. Did they have a
• At the end of the meeting, it was announced that an agreement ______.[ ]A. has been reachedB. had be
• The Water Festival __________ to be the most important celebration among the Dai People.[ ]A. says B
• As he ________ in the river for five hours, the thief looked very pale and hopeless. [ ]A. trappedB.
• 细胞学说主要阐明了[]A．植物细胞与动物细胞的区别B．细胞的基本结构C．生物体结构的统一性D．细胞种类的多样性-高二生物
• 根据所缺单词的首字母或所给单词的汉语提示,在句子中的横线上写出各单词的正确形式.(每空一词)1. One hundred is d______________ by 25 is 4.2. Her pa
• More attention should be ________ the equipment in our factory so that we can increase our productio
• 下列属于细胞学说内容的是[]A．一切动植物都由细胞发育而来B．细胞是一个相对独立的单位C．新细胞可以从老细胞中产生D．细胞分为原核细胞和真核细胞-高一生物
• Months ago we sailed ten thousand miles across this open sea, which ________ the Pacific, and we met
• An emergency meeting will be held tomorrow, at which the bill ________ to pass. [ ]A. is expectedB.
• ______ many times, but he still couldn't understand it. [ ]A. Though he had been told B. Having
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• 关于细胞学说的叙述，错误的是[]A．它揭示了动植物细胞的多样性B．建立者主要是施莱登和施旺C．它揭示了动植物的统一性和生物体结构的统一性D．是多位科学家在探索中开拓、继承、-高三生物
• The wet weather will continue tomorrow, when a cold front________ to arrive.[ ]A. will be expectedB
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• — What's that noise, John?— Sorry, Linda. I forgot to tell you. The school library ______.[ ]A.
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• 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．新细胞可以从老细胞中产生D．细胞分为细胞质、细胞核和细胞膜三大部分-高三生物
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• John had to have his car repaired in a garage because it ____ seriously.[ ]A. damaged B. was being d
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• 用括号内所给单词的适当形式填空, 每空一词。1. Air is a(mix) of gases.2. He(seek) shelter from the rain yesterday.3. She i
• The coal miners________in the coal mine for 10 hours before we came to their rescue.[ ]A. had trappe
• 细胞学说揭示了[]A．植物细胞和动物细胞的区别B．生物体结构的统一性C．细胞为什么能产生新的细胞D．人们对细胞的认识是一个艰难曲折的过程-高三生物
• 下列有关叙述正确的是[]A．所有真核生物细胞和原核细胞都具有DNA，这也说明了细胞结构具有统一性B．乳酸菌细胞有丝分裂前后，染色体数目一般不发生改变C．细胞学说阐明了动植物-高三生物
• —Shall we________to attend the meeting________at the end of this month?—Sorry, I don't know.[ ]