在探究“湿度对鼠妇生活的影响”实验中，作为实验变量的应是（）A．水分B．光C．温度D．空气-生物

更多内容推荐

• 做鼠妇实验时为了让鼠妇更快的分布，可以用手帮助他们行动．______．-生物
• The girl is shy.A．a little bitB．a little ofC．a bit ofD．bit-七年级英语
• The underlined part in the word “computer” is pronounced as_______A．/ə/B．/ʌ /C．/ əu /D．/ ə:/-七年级英语
• —Jack won the first place in the writing competition.—_______. He had prepared for it for a long ti
• 鼠妇，也叫“潮虫”生活在陆地阴暗潮湿处，人们常在花园、花坛或草坪等处潮湿的花盆下发现它，当人们移开花盆后，鼠妇四散而逃，躲到其他的隐蔽地方去了．这是光在影响他的生活-七年级生物
• — will it take? I have little time left.— Don’t worry. It won’t take you much time.A．How soon B．How
• There is good for you. I have found your lost watch.A．newsB．ideasC．messageD．thoughts-九年级英语
• Lucy Jim is my friend. I have known them for 2 years.A．Both；andB．Not only；but alsoC．Either；orD．Neith
• This book is ___hard ___understand.A． too ; toB． such; toC． too ; tooD． so ; that-九年级英语
• Our plan is to plant 50 trees. And we have planted half of them .A．the other day B．yetC．so farD．in
• — I have some problems with my English grammar.— Well, I am in situation. Grammar has never been e
• It’s a pity that I failed. But I am sure I will make it if I am given another .A．chanceB．purposeC．s
• I read a report about this morning. It helps poor children by providing them with basic education a
• 我是在______的环境中捉到鼠妇用于实验的．-生物
• 探究“光对鼠妇生活的影响”时：（1）作出的假设是______．（2）该实验中的变量是______，在设计实验时，要给鼠妇提供______和______两种环境，以便对照．（3）每个实验装置中放入10只
• Our teachers always tell us on the road because it’s really dangerous.A．to play notB．not to playC．n
• 某合作小组要探究“水分对鼠妇生活的影响”，提出了四种设计方案，其中最合理的是（）A．一侧放湿土，另一侧不放任何东西．将10只鼠妇放到纸盒中央B．一侧放湿土，另一侧放干土．将1-生物
• 当你翻动花园、庭院中的花盆或石块常会看到鼠妇，搬开花盆或石块时，鼠妇很快就爬走了．是因为环境变亮了吗？对此，小明设计了一个如右图所示的装置进行探究，他将10只鼠妇放入-七年级生物
• —May I speak to Mr Wang, please?—Sorry, he is not in. Can I take a (an) _______ for you?A．messageB．n
• Wu Chang studies English by_____English language TV.A．seeingB．lookingC．to watchD．watching-九年级英语
• We all feel after hearing of the news.A．excited；excitedB．exciting；excitingC．excited；excitingD．exciti
• —Is there ________ in today'snewspaper?—Yes, it's really cheerful to read that a group of_
• The whole class did a good job,and ________ made a mistake.A． neither B．either C．None-八年级英语
• Ms Wang is an excellentteacher.________ in our class loves her.A．SomeoneB．No oneC．EveryoneD．Anyone-
• -- Which basketball player do you like best , Kobe, James or Jordan ?—________ of them.Lin Shuhao is
• —Not only the young but also the old are getting interested _____ WeChat (微信).—They can communicate
• ____of the land in that district____ covered with trees and grass.A．Two fifths；isB．Two fifth；areC．T
• 根据光对鼠妇生活的影响实验回答问题：（1）鼠妇喜欢生活在______环境中．（2）在实验中进行多次统计的目的是______．（3）在实验中用10只鼠妇而不用1只鼠妇的目的是______．-生物
• we deal with our problems, we can easily become unhappy.A．UntilB．BecauseC．UnlessD．If-八年级英语
• 在探究实验“非生物因素对某种动物的影响”中，以“光对鼠妇生活的影响”为例，其中变量为（）A．光照B．温度C．湿度D．空气-生物
• 如果你翻动花园、庭院中的花盆或石块，常常可以找到鼠妇．当你搬开花盆或石块，鼠妇很快就爬走了．某同学对此进行了探究，请回答下列问题：（1）提出问题：鼠妇喜欢生活在阴暗的环-七年级生物
• The boy felt very _______ and fell _______ as soon as he lay on the bed.A．sleepy; sleepyB．asleep; as
• On summer evenings grandpa used to____funny stories to us children.A．speakB．sayC．tellD．talk-九年级英语
• , all of us agreed to go there with her.A．To her surpriseB．To her surprisedC．To she surpriseD．To sh
• 实验发现阴暗地方的黄粉虫数量较多，影响其分布的生态因素是（）A．水分B．光照C．温度D．空气-生物
• “探究光对鼠妇分布的影响”实验中，下列有关做法正确的是（）A．实验中只设置一个变量B．实验中的变量是光照C．实验中的变量是温度D．实验所用的鼠妇数量应为1只-生物
• 在探究“光对鼠妇生活的影响”的实验中，将实验用的盒子一边遮光，另一边不遮光，下列叙述不正确的是（）A．提供两种不同的环境条件B．便于观察C．控制变量D．设置一个对照实验-生物
• 鼠妇生活在______，______的地方．-生物
• 取长70厘米，宽30厘米左右的纸盒，在纸盒底层放一层湿土，以纸盒的中线为界，一侧盖上纸板，另一侧盖上玻璃板，这样纸盒就可以形成明暗两种环境．在纸盒内放入20只鼠妇．（1）为-生物
• He has lived here for about 20 years ,so he has friends here.A．most ofB．lot ofC．plenty ofD．many of-九
• （1）探究“光对鼠妇生活影响”实验．提出问题是：光对鼠妇生活有影响吗？作出假设是：______．设计实验：该实验的变量是______，在设计实验时要给鼠妇提供______和______两种环境，以-生
• –What kind of shows do you like, talk show or soap operas?– . I like sports show.A．NeitherB．EitherC．
• —What kind of house would you like? ,—I’d like __________with a garden in front of__________.A．It, o
• — _____ do you _____ math?—I like it a lot.A．How; think of B．What; likeC．How; like aboutD．What; thin
• 某研究性学习小组对“影响鼠妇生活的因素”进行了深入探究，请帮他们分析回答：（1）如果他们要探究“光对鼠妇生活的影响，”那么在设计对照试验时，应选择下图哪一个实验装置？____-生物
• 某生物兴趣小组在老师的指导下探究光照对鼠妇生活的影响，请你一起来完成探究的过程．（1）提出问题：______？（2）作出假设：______．（3）制定并实施计划：a准备好实验材料，在铁盘内铺-七年级生
• 在探究光对鼠妇生活的实验中______是实验中的变量．-生物
• .Mary spent summer at home last year.A．allB．wholeC．the wholeD．the all-八年级英语
• If you travel in ______ India, you can use English everywhere.A．a B．anC．the D．/-九年级英语
• —How long have you been working in this city?—_______________.A. Five years ago.B. Since last year.C