我国于2000年11月1日进行了第五次全国人口普查的登记工作．人口普查常用的科学探究方法是（）A．观察法B．调查法C．实验法D．资料分析法-生物

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• My parents want me at home every night.[ ]A. stay B. stayingC. to stay D. stays-八年级英语
• Tell him ________shout in the hospital.[ ]A. not toB. doesn’tC. don’tD. not-八年级英语
• Don't forget________the lights when you leave.[ ]A. to turn offB. turning offC. turn offD. turn
• 在进行科学探究实验时，如实验结果与假设不符，正确的处理方法是（）[A．依据试验结果下结论B．修改实验结果，使其与假设相符C．修改实验过程，使其与假设相符D．修改假设，重新做-七年级生物
• 用所给词的适当形式填空1. Nextyouneed ______ everythinginto ablender.(put)2. Please p______ the apple for the ba
• He advised me _____.[ ]A. have a good rest B. to have dinner on time C. walking after dinner-八年级英语
• 观察是科学探究的一种基本方法。下列各项活动中属于观察的是：A．上网搜索资料B．去图书馆查阅书刊C．用放大镜看蚂蚁D．进行人口普查-七年级生物
• The teacher told his students________in public.[ ]A. don't shoutB. not shoutC. to not shoutD. n
• Don't forget _____ your room,Tina.It's so dirty now. [ ]A. to makeB. making C.cleaning D.
• 在做光合作用实验时，要用黑纸片遮盖住天竺葵叶片的一部分，其原因是A．便于观察B．便于实验C．对照实验D．便于观察与实验-七年级生物
• Where do you plan _____ your holiday after you finish _____ the novel?[ ]A. to spend, writingB. spen
• —How about going shopping this weekend , Peter?—Sorry. I prefer _ rather than _ .[ ]A. to stay at ho
• —What’s the matter with Tom? He seems sad.—His pet dog died.[ ]A. feelB. feels C. to feel D. feeling
• 调查池塘生态系统，除了记录本和笔之外，下列哪一选项所带工具是最合适的？A．铲子望远镜照相机B．网兜放大镜玻璃瓶C．铲子显微镜玻璃瓶D．网兜显微镜照相机-七年级生物
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• 根据你的调查，以下归纳正确的是[]A．黄瓜、虾、蝗虫为陆生生物B．鸡、鸭、猪为家禽C．小麦、水稻、海带是农作物D．鲫鱼、蟹、水绵为水生生物-七年级生物
• 探究某一问题成功的关键是A．作出符合科学事实的假设B．提出有研究价值的问题C．制定出恰当的科学探究计划D．写出高水平的论文-七年级生物
• They told the boy _ dolls in the street.[ ]A. not to sell B. to sell notC. to not tell D. don't
• Who is always the first one_____ class?[ ]A. to come to B. come toC. comeD. to come-八年级英语
• It will take the workers half a year_____ the work.[ ]A. finishB. finishing C. to finish D. finishes
• -Julia Morgan, the famous movie star, plans _________ a relaxing vacation in Spain.-I hope he will h
• If you want to learn English well, you need __ it as much as possible.[ ]A. practice speaking B. to
• 下列图示中，酒精灯使用不正确的是-七年级生物
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• Some of them would like_____some tea rather than _____some coffee. [ ]A. to have; to have B. having;
• 用所给词的适当形式填空。1. Our class is organizing a talent show________( raise)money for thecharity．2. I had a
• 在探究“植物对空气湿度的影响”时，下列做法中不正确的是A．测量裸地、灌丛的湿度时，都应该把干湿计放在地上B．如果裸地上有水洼，测量时不能把干湿计放在水洼边C．对于同一地点-七年级生物
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• 生物小组4名同学分别采用下列四种途径收集资料，其中哪种途径不科学?A．去图书馆查阅书刊报纸B．上网搜索C．请教科学家D．从小说中查找-七年级生物
• It’s bestBeijing in autumn,I think.[ ]A. for visitB. to visitingC. to visit D. for a visit-八年级英语
• 下面是进行探究活动要遵循的一般步骤，按照先后顺序排列正确的是①实施计划②作出假设③制定计划④得出结论⑤提出问题⑥表达和交流。A．⑤②③①④⑥B．①③④⑤②⑥C．⑤④③②①⑥D．②③④①⑤⑥-七年级生物
• —Could you ask your father in our school?—Sure.[ ]A. don’t to smoke B. not smoke C. not to smoke D.
• —Why do you want to learn French?—I think it is fun_____ language after English. [ ]A. to learn a B.
• 实验应在一切条件都相同的情况下重复做几次，并取其平均值，以尽是减少误差的影响。（）-七年级生物
• 科学探究的过程：提出问题→→制定计划→→得出结论→表达交流-七年级生物
• Now most Chinese families in the country have their own houses ________[ ]A. to live B.living C. liv
• 动物与人们的生活息息相关，既有有利的一面，也有有害的一面。苍蝇、老鼠人见人厌，你能发现它们有利的一面吗?-八年级生物
• 关于科学观察的叙述中，错误的是A．观察时要积极思考，多问几个为什么B．科学观察要有明确的目的C．观察时要全面、细致和实事求是D．科学观察都不需要测量-七年级生物
• —I forget ______ the window when I left. —It doesn’t matter. Let me help you. [ ]A. close B. closing
• 实验中如果结果和假设不符合，正确的处理方法是（）A．修改结果，使其与假设相符B．依据实验结果下结论C．修改实验过程，使其与假设相符D．修改假设，重新做试验-七年级生物
• The doctor told the boytoo much junk food because he is really fat.[ ]A. don’t eatB. not to eat C. e
• 科学探究的正确顺序是①提出问题②制定计划③作出假设④实施计划⑤得出结论⑥表达和交流A．①②③④⑤⑥B．①③②④⑤⑥C．③②①④⑤⑥D．②⑥①④③⑤-七年级生物
• 尝试探究（6分）桃花鱼为腔肠动物门水螅纲的一个小类群，栖息于淡水中，因其形状酷似桃花而得名，其中文名是桃花水母。生长于三峡库区姊归县归州镇鸭子滩的桃花水母是极为稀有-七年级生物
• I wanted Jim _________ shopping with me, but he refused.[ ]A. don't go B. not goC. not to goD.
• 图中是显微镜下观察到的几种微小生物，据图陋答问题。ABCDE（1）这几种生物在身体结构层次上的共同特点是__________________（2）试根据细胞结构的特点，将图中生物进行分类。①属-七年级
• He was too old ___ by himself.[ ]A. walk B. walking C. to walk D. not to walk-八年级英语
• I can't go home now because I forgot_____ umbrella_____ me.[ ]A. to bring; toB. bringing; toC.
• He planned __________ the work before Wednesday but failed.[ ]A. to finishB. finishingC. finished-八年
• Your friend _____ more if he wants to be thinner.[ ]A. needs exerciseB. needs exercisingC. need exer