下面是小明设计的“调查宁国市初中学生近视发病率”的几种实施方案，你认为最合理的方案是（）A．选取宁国部分城市中学的学生作为样本进行调查分析B．选取宁国部分农村中学的学生作-生物

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• 我国科学家通过大量的努力，终于摸清了野生东北虎的数量．这项活动主要采用的方法是（）A．观察法B．调查法C．实验法D．分类法-生物
• Tomorrow's meeting is very important. Please ask them __ there on time. [ ]A. goB. going C. to
• Hewanttobethefirstone ______totheparty.[ ]A. getB. getting C. toget D. gets -七年级英语
• —Why didn't you buy some bread on your way home?—Sorry, I forgot _____ some money withme. [ ]A.
• —Will you come to the net bar with me? —Sorry. My mother always tells me_____ there. [ ] A. not goB.
• Be sure___him about the bad news.[ ]A. to not tellB.not to tellingC. not to tellD.to not telling-九年级
• She was surprised __________ me last night. [ ]A. to see B. see C. saw -九年级英语
• TheywantedaChineseengineer_____therailroad. [ ]A.builtB.tobuildC.buildD.builds -七年级英语
• Do you want_____ to a movie?[ ]A. to goB. goesC. goingD. go-七年级英语
• Tom's mother asked him _____ some washing afterdinner. [ ]A. to doB. does C. doD. did-九年级英语
• Mymotheroftenasksus_______late.[ ]A.nottostaysupB.don'tstayupC.doesn'tstayupD.nottostayup
• 下列关于调查的叙述中，错误的是[]A．调查是科学探究常用的方法之一B．调查时首先要明确调查目的和调查对象C．调查过程中要如实记录D．不论调查的范围有多大，都必须逐个调查-七年级生物
• — How about ______ in the river with us? — Sorry I can't. My parents often tell me ______ that.
• Please use sunlight _____ food. [ ]A. make B. making C. to make D makes -八年级英语
• 在调查校园生物中，以下同学的做法，正确的是[]A．小军发现好几株他不认识的植物，于是把它们拔出来，带回家研究B．小明发现一只老鼠，太恶心了，不记录C．小梅拔开草丛，一只蟋-八年级生物
• Harry wants_____ some reading with me.[ ]A. to do B. doingC. do D. does-七年级英语
• My hobby is _____ flowers.[ ]A. growB. to grow C. growsD. look after-九年级英语
• 用所给词的适当形式填空。1. Two hours is a long time_____ (stay) still.2. They decided _____ (go) to the cinema.3
• She can't help _____ the house because she's busymaking a cake. [ ]A. to clean B. cleaning
• Itisdifficult_______thebookinoneday.Itissothick. [ ]A.tofinishtoreadB.tofinishreadingC.finishingread
• 调查时首先要明确_________和_________，制定合理的_________。调查的范围很大时，就要进行_________，调查过程中要如实_________。对调查的结果要进行_______
• 在调查校园的生物时，首先要确定调查的方法和路线。[]-七年级生物
• Parents don't allow their child _______ out alone. [ ]A. going B. togo C. go D. goes -八年级英语
• My parents often ask mea lie and to behonest child. [ ]A. not to tell; aB. not to tell; anC. to not
• 用所给词的适当形式填空。1. It's very nice of you_____ (invite) me to the party.2. It's cold outside. Y
• 用所给单词的适当形式填空.1. There is a good place_____ (have) fun.2. The small garden is the _____ (begin) of th
• 在调查校园的生物时，首先要确定[]A．调查的方法和路线B．调查的目的和对象C．调查的时间和范围D．调查的范围和方案-七年级生物
• 在校园里，观察你最喜欢的一棵树，了解它的各个器官，并把它们描述出来。观察的目的______________________________________________。观察的顺序_________
• 对调查的生物，可以有多种归类方法，如可以按形态结构，将生物归为________、_________和________三大类。按生活环境可以分为________生物和_________生物等。-七年级生
• More and more young people are trying to do something _______ the old .[ ]A. served B. to serveC. to
• 用所给动词的适当形式填空。1. Look! Stephen ______ (lie) on the bunk bed.2. Lily, ______ (look) out of the window.
• It takes me about two hours _____ my homework every day. [ ]A. to finish B. finish C. finishing D. f
• 生物分类的依据不是[]A．形态结构B．内部构造C．数量多少D．生理特征-七年级生物
• 作为分类依据的主要生物特征是[]A．数量多少B．体积大小C．生理功能D．形态结构-七年级生物
• —What would you like ____? — A glass of water, please. [ ]A. drink B. have C. to drink D. to eat -七年
• Please remember _____ the door when you leave the room. [ ]A. close B. to close C. closing -七年级英语
• She was chosen____ a speech at the farewell party.[ ]A. givingB. to giveC. and givesD. gave-九年级英语
• They usually planin Switzerland. [ ]A. to go somewhere together B. to do interesting something C. to
• Doyouthinkacafeisthebestplace______ friends?[ ]A. tochatB. tochatwithC. chatwithD. chattingwith -七年级
• We are not allowedin public.[ ]A. to wait in line B. to pick up the litterC. to smokeD. to keep your
• 词汇运用。1. Can you give me something ___________ (eat)? 2. We will go to the park if it ___________ (no
• 调查是科学探究的常用方法之一，如果我们将调查的生物划分为陆生生物和水生生物两类，则是按照生物的______________来分类。对调查的结果要进行___________、__________，有-七
• 在调查校园生物时，以下同学的做法，正确的是[]A．发现不认识的植物，把它们拔出来，带回家研究B．校园的草丛里有一只蟋蟀蹦了出来，蹦到校园外面去了，就不用把它记录下来了C-七年级生物
• Do I need _____ the room now?[ ]A. to be cleanB. cleansC. to cleanD. cleaning-九年级英语
• Let me _____ you how _____ to our school. [ ]A. to tell; to get B. tell; to get C. tell; get D. to t
• Theboytoldme______. [ ]A.turnrightB.nottoturnrightC.tonotturnrightD.notturnright -七年级英语
• Itisimportant_____. [ ]A.tocarefulB.tocarelessC.carefulD.tobecareful -七年级英语
• —What should I do ,doctor?—_____healthy, you should take more exercise[ ]A. KeepB. Keeping C. To kee
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• We have worked for three hours. Now let's stop ______a rest.[ ]A. hadB. haveC. to haveD. having