调查是科学探究常用的方法之一．调查时，对调查对象的选取，下列做法正确的是（）A．只能选一个对象B．只能选部分对象C．只能选全部对象D．可以选一个对象、部分对象或全部对象-七年级生物

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• Do you want _____ about Chinese history?[ ]A. know B. knows C. knowing D. to know-七年级英语
• 用方框中所给词的适当形式填空 turn cut peel eat pour have add take put make1.How long does it __________ to get to
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• I found it easy ______my English because I am very interested in it.[ ]A. improveB. to improveC. imp
• — Why does your brother want _____ lions? — Because they are very interesting. [ ]A. see B. sees C.
• 用所给单词的正确形式填空1. __________(sandwich) are very delicious.I like them.2. What do we need __________(mak
• 下列探究活动中不需要测平均值的是：A．探究花生果实大小的变异B．探究光对鼠妇生活的影响C．测定种子的发芽率D．为家长设计一份午餐食谱-九年级生物
• 方框填词grow up, talk of, care for, do one's best, all one's life1. I'll_____ to help you
• —Why did you persuade me _______ that dress? —Because I think it's suitable for you. [ ]A. buyB
• —Will you ______tall buildings next year?—No, we are going to ______ a road next year.[ ]A. build, b
• 关于人口普查，下列相关叙述不正确的是（）A．人口普查是一种调查方式B．普查前要制定合理的普查方案C．普查过程中要如实记录各项数据D．由于人口太多，可以根据原有数据进行估算-七年级生物
• My brother wants ______ to the store.[ ]A. goB. to goC. goesD. going-七年级英语
• —I'd like to go to Hong Kong for vacation.What about you?—I _____ Niagara Falls because I like
• We tried_______the people in Wenchuan when the earthquake happened.[ ]A. helpB.helpingC.to helpD.to
• The teacher asked us ________ the work on time.[ ]A. finishB. to finish C. finishedD. finishes-九年级英语
• 用所给单词的适当形式填空。1. It's not easy__________(be) the new kid at school.2. Thanks very much for______
• 用单词或短语的适当形式填空。build, teach, act, interest, communicate with, keep, talk, retire, move to, be, fax so
• 在“调查公园内的生物”活动中，下列做法正确的是（）。A．甲发现了一只老鼠，既害怕又觉得恶心，就没有记录B．乙发现几株未见过的小花，将它们拔起来，准备带回回学校问老师C．丙的-七年级生物
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• 科学探究是探索生命的重要方法，是人们认识世界的重要途径之一。下列关于科学探究的叙述中，不正确的是（）A．提出问题是科学探究的第一步B．作出假设应有一定依据，不能臆断C．在-七年级生物
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• He wants ______shopping.[ ]A. to do someB. do someC. do some to D. to do something -七年级英语
• Does your sister ______ to a movie? [ ]A. wants to go B. want goC. want to go D. wants go -七年级英语
• Jack hopes _____ the film with you tonight, and you?[ ]A. watchB. to watch C. watches D. watching-八年
• In recent years, many children are made _______what they are not ________.[ ]A. to do; interested in
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• 科学探究过程中，在设置对照实验时，下列描述正确的是（）A．所有变量都相同B．所有变量都不相同C．除实验变量外，其它因素均不相同D．除实验变量外，其它因素均相同-七年级生物
• 小敏在湖边散步时，看到湖水中有一些活动的绿色小体，心想：这是生物吗？于是她取一滴湖水，做成玻片标本，放在显微镜下观察求证。这种科学探究的方法属于（）A.调查B.观察C.-七年级生物
• 在研究“响尾蛇如何跟踪它放走的猎物”的实验中，科学家提出了响尾蛇是根据自己毒液的气味来追踪受伤的猎物的看法。这应属于实验探究中（）的步骤。A．提出问题B．作出假设C．收集相-七年级生物
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• 在某地域调查生物的种类时，你认为正确的步骤排列是（）①选择调查范围②归类③调查记录④整理资料⑤交流⑥设计调查路线⑦分组A．①②③④⑤⑥⑦B．①⑦⑥③②④⑤C．②④⑤①⑦⑥③D．④⑤①⑦⑥③②-七年级生
• You look very tired, why not ______________ a rest?[ ]A. to stop to haveB. stop to haveC. stop havin
• The World without Thieves will be on show next week.I can't _________ the greatmovie.[ ]A. stop
• As soon as they arrived in the big city, they found it difficult to find somewhere cheap __________.
• The government has decided ______ the telephone lines ______ to every village.[ ]A. having; connecti
• 科学探究的一般过程是（）①发现问题、提出问题②作出假设③表达和交流④制定计划⑤实施计划⑥得出结论A．①②③④⑤⑥B．①②④⑤⑥③C．①②④③⑤⑥D．①②④⑤③⑥-七年级生物
• 下列关于假设的叙述中，不正确的是A．假设是对问题的一种可能的解释B．假设是一种无端的猜测C．假设要以事实或生活经验为依据D．假设与结果可以一致，也可以不一致-七年级生物
• 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．用直尺测量肾蕨的高度C．进行人口普查D．用放大镜看蚂蚁的结构-七年级生物
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• For a year, black people refused __________ the city house.[ ]A. takingB. to takeC. seatD. to sit on
• Don't forget __________ him the news.[ ]A. tellB. to tellC. tellingD. told-八年级英语
• Ourteachersaskus_____onthestreet. [ ]A.nottoplayB.don'tplayC.notplayD.noplay -七年级英语
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• It's convenient _ _ by bus in Hong Kong. [ ]A. travel B. to travel C. traveled-九年级英语
• Li Yang says he needs __________.[ ]A.have a rest B.to have a restC.has a restD.to having a rest-八年级
• We stopped , but there was no more sound. [ ]A. listening B. to listenC. to listening-九年级英语
• His mother decided ________ her holiday in Tianjin.[ ]A. spendB. spendingC. to spend-九年级英语
• The little girl is happy __________ her parents.[ ]A. to seeB. seesC. seeingD. saw-八年级英语
• By ______ part in "Chinese Bridge" programs, students in Chongqing got a great chance ____