我国的森林资源每五年清查一次或在人口普查中常用的方法是______．-生物

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• 在生物种类的调查中，除了对所观察到的生物要仔细观察外，还要注意观察（）A．该生物的生活环境B．观察参与的同学C．该生物的名称D．自由行动，多处调查-生物
• He is the last_____ his work. [ ]A. finishB. finishingC. finishesD. to finish-七年级英语
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• 调查是科学探究常用的方法之一，你认为实施调查时要注意哪些事项？-生物
• Could you tell me where there is a good place _____.[ ]A. eatB. eatingC. eatsD. to eat-九年级英语
• 同义句变化。1. It’s time for school now. It’s time_____ _____ to school now.2. Whose yellow shirt is it? _
• —Would you like_____ football with us?—Sure. I like_____ football very much.[ ]A. to play; playingB.
• Wouldn't you love _______ movies?[ ]A. to seeB. seeC. seeingD. saw-九年级英语
• “标记重捕法”是动物种群密度调查中的一种常用取样调查法．若在被调查的一个池塘中，捕获一部分鲫鱼（数量为M）进行标记后释放经过一段时间后重捕，重捕的鲫鱼数为n，其中标记的-生物
• Why do you want_____ the lions first?[ ]A. seeingB. to look C. to seeD. looking-七年级英语
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• On her way home a thief was seen _____ in a shop. She stopped _____ 110 at once.[ ]A. steal; call B.
• 在开展调查前，要提前做好的准备有（）①确定调查目的②列出注意事项③得出调查结论④写出调查提纲．A．①②③B．①②④C．①③④D．①②③④-生物
• He came here only_____.[ ]A. say goodbye to us B. saying goodbye to us C. to say goodbye to us D. wh
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• 某记者暗访拍摄了长沙某些餐馆食品制作过程，报道质疑这些餐馆的诚信和卫生问题．记者主要采用的方法是（）A．观察法B．实验法C．资料分析法D．调查法-生物
• 请你设计一张调查全班同学身高、体重、视力、肺活量的表格．-生物
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• My mother is_____ on the sofa. She is tired. [ ]A. sleeping B. sleeps C. to sleepD.slept-八年级英语
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• 2010年11月我国进行全国第六次人口普查，在普查过程中用到下列哪种科学探究方法（）A．观察法B．实验法C．调查法D．分类法-生物
• Mother told me_____ the water before I drank it.[ ]A. boiling B. boiledC. boilD. to boil-九年级英语
• 白鳍豚是我国特有的珍惜水生哺乳动物，从2006年六月国科考队沿长江3436公里寻找后，至今未发现白鳍豚．其中沿长江寻找的方法属于（）A．模拟实验法B．调查法C．实验法D．观察法-生物
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• 用所给词的适当形式填空。1. I don't have much time (play) with my friend. 2. Thank you very much for (write)
• (1)两位同学在调查身边的经济生物时，为某一动物是不是哺乳动物而争得面红耳赤，你能为他们提供判断的依据吗？______________。(2)在我们的周围，存在着一些直接或间接破坏生-七年级生物
• It's very difficult _____interesting films for children.[ ]A. produce B.producing C. to come ou
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• 学校中午时，有相当一部分同学不爱去食堂用餐，仅以方便面、肉串、汉堡包一类食品果腹，你为了同学们能健康成长，在制定平衡膳食方案之前，先要作广泛的调查．那么，你将怎样-生物
• I'm afraid they would not allow him_____ here.[ ]A. to smoke B. smoking C. smokesD. smoke-九年级英语
• He often asks his son_______ his clothes.[ ]A. to washB. washC. washing D. washed-九年级英语
• 某同学要了解本班同学的近视发病率．现有两种方案：①抽样调查法，任抽班上3组同学进行调查；②普查法，对全班同学进行调查．（1）哪一种方案获得的数据更准确？______．当调查对象特-生物
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• —Mary was heard just now. What happened?—John was telling a joke.[ ]A. cryB. to cryC. laugh D.tolaug
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• You needyour room every day.[ ]A. cleanB. cleaning C. to clean D. cleaned-九年级英语
• 我国在2010年进行了第六次人口普查，人口普查属科学探究常用方法中哪种方法？（）A．测量B．观察C．实验D．调查-生物
• 李平准备调查我市常见的传染病，你认为下列哪一项不是开始调查时就能完成的（）A．确定调查目标B．制定调查方案C．得出调查结论D．选取调查对象-生物
• Would you like something _____?[ ]A. drink B. drinking C. to drinkD. drinks-九年级英语
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