(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

更多内容推荐

• Wouldyoulike______aboutYaoMing?[ ]A.totellmesomeinformationB.tellmesomeinformation C.totellmeanyinfo
• 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
• 下图是某同学在“调查我们身边的生物”这一活动过程中，所拍摄的五幅照片。(1)根据照片所提供的信息判断：该同学是在什么样的地域环境中开展调查的（如海洋、淡水水域、陆地等）？-七年级生物
• We don't have to go far if we need help_____ our homework.[ ]A. doesB. doingC. doD. to do-八年级英语
• —Mary was heard just now. What happened?—John was telling a joke.[ ]A. cryB. to cryC. laugh D.tolaug
• We've decided __________ to France for our holidays. [ ]A. goB. goingC. to goD. went-九年级英语
• 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
• His parents urge him _____ hard.[ ]A. studyingB. studyC. to study D. studies-九年级英语
• 对调查到的生物，可以有多种归类方法。如果按照形态结构特点，可以将生物归为___________、_________和其他生物三大类；如果按照生活环境，可以将生物归为________和_______-七
• 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[]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-七年级生物
• There are lots of things _____ in Sunshine Town.[ ]A. doing B. to doC. for doing D. do-八年级英语
• Would you like us with you?[ ]A. go B. to go C. goingD. gone-九年级英语
• My English teacher often urges me _____ my homework on time.[ ]A. to finish B. finishingC. finishedD
• 到农贸市场做调查：属于蔬菜类的、水果类的、家禽类的各写出三种．-生物
• 调查是科学探究常用的方法之一，下列对调查方法的叙述错误的是（）A．调查时首先要明确调查的目的和对象B．调查时要凭个人感觉记录C．要制订合理的调查方案D．对调查结果要认真整理-生物
• It's a bad habit _____ after dinner. [ ]A. ranB. run C. runsD. to run-九年级英语
• 列出你学校校园能见到的生物名称。-六年级生物
• 在调查农田生物种类时，下面的做法中正确的是[]A．为了观察范围更大些，爬到树上用望远镜观察B．看到自己喜欢的花就摘下来C．因为熟悉农田环境，所以观察时不必做记录D．一边认真-七年级生物
• Although he was a child, he tired to find ways_____ people_____ life more.[ ]A. to help; enjoy B. he
• 从生物归类的角度看，下列关系较近的一组是[]A．松和虎B．鲸和海豚C．麻雀和海带D．钟乳石和蚯蚓-七年级生物
• The boy wants a doctor.[ ]A. be B. to be C. is D. will be-九年级英语
• It is bad for your eyes_____ computer games too much.[ ]A. plays B. to play C. play D. to playing-八年
• It's time for class. We should stop___to the teacher carefully.[ ]A. listeningB. listenC. liste
• 下面是小刚在调查昆嵛山生物种类时的具体做法，其中正确的是（）A．选择生物种类多、环境有较多变化的路线B．险峻的峭壁生物种类多，应选这样的调查路线C．调查范围内偶尔飞过的昆-生物
• 同学们在开展调查“动物在人们生活中的作用”之前，应该做好下面的准备工作（）A．选定调查方法B．列出注意事项C．明确调查目的D．A、B、C都对-生物
• —Your spokenEnglish is much better now.—Thanks. Our English teacher often asks me _____English _____
• 选择一个调查场所，设计好调查路线，制定好调查计划后，带上调查用具，对选好的场所进行一次调查，并将调查结果填入下表。-七年级生物
• Mr Li often teaches his Japanese friends Chinese food.[ ]A. cook B. cooks C. to cook D. cooked-九年级英语
• Robert often asks us his Chinese, so his Chinese is much better than before.[ ]A. help him B. to hel
• It's your job______ the pop stars.[ ]A. introduce B. introducing C. introduces D. to introduce-
• 用所给单词的适当形式填空1. If you're tired, why not stop____ (have)a rest?2. ____ (recycle) books and paper
• “野味餐馆”的一些叙述，哪一项是正确的（）A．野味餐馆中的“野味”往往有一些保护动物，而且大多数是违法捕杀的B．如果要调查这些“野味餐馆”一定要设计一个周密的调查计划C．调查“-生物
• Last week I met my old friend Li Ming but I forgot ___ him for his telephone number.[ ]A. ask B. ask
• 下面是小刚在调查昆嵛山生物种类时的具体做法，其中正确的是[]A．调查范围内偶尔飞过的昆虫可以不记录B．险峻的峭壁生物种类多，就选这样的调查路线C．选择生物种类较多、环境有-七年级生物
• She requested him with her. [ ]A. goB.goingC.gonedD.to go -九年级英语
• I fully intended for the damage.[ ]A. pay B. paidC. to payD. pays-九年级英语
• 用所给单词的适当形式填空1. It's hard(stop) riding cars.2. ____ ( recycle) paper is really hard.3. The trees
• —My brother is ill in hospital.—I'm sorry ___ that.[ ]A. hearB. hearingC. heardD. to hear-九年级英语
• His parents often encourage him __ hard.[ ]A. work B. workingC. to workD. works-九年级英语
• 真菌的分类依据是[]A．菌丝形状B．形态结构C．繁殖方式D．营养方式-八年级生物
• — Are you learning art now during your spare time? — No. I've stopped _____ Chinese medicine in
• More and more young people are trying to do something _____ the old.[ ]A. servedB. to serveC. serve
• There are some dangerous fishes in this river, and I'vewarned Jack _____ here.[ ]A. not to swim
• —Mary, it's your turn___the dishes.—But I did it yesterday. [ ]A.to washB.washC.washingD.of was