The professor said he wouldn’t attend the opening ceremony ____.A．unless was invitedB．until inviting

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• 将两株同样大小的玉米幼苗，分别放在盛有等量蒸馏水和土壤浸出液的试管中培养。两周后现象如下图，说明植物生活需要[]A．水B．无机盐C．阳光D．温度-七年级生物
• When first____ to the market, these products enjoyed great success.A．being introducedB．having introd
• 肥沃的土壤颗粒间的水中含有________，从这种土壤中滤出的液体叫________。-七年级生物
• 无土栽培是指[]A．把植物直接栽培在人、畜的粪尿中B．直接将植物栽培在水中的栽培方式C．不需要给植物施无机盐的栽培方式D．把植物栽培在按植物需要的无机盐比例配制的营养液中-八年级生物
• Though ______in a big city, Peter always prefers to paint the beautiful scenes of country life.A．rai
• Themankeptsilentintheroomunless_______.A．spokenB．speakingC．tospeakD．spokento-高二英语
• Being kind to others should be everyone’s_________of life._________,our world will be more peaceful
• ______ that another miner has been rescued from the flooded Wangjialing coal mine.A．The news comes h
• ________, Gao Xiaosong was sentenced to 6-month imprisonment–the most severe punishment about drunk
• —Cathy, what are you going to do this weekend?—________, I’m going to see my parents in the countrys
• 将四株大小相同的同种植物的幼苗分别培养在下列溶液中，一段时间后，哪种溶液中的幼苗可能生长的最旺盛[]A．糖水B．盐水C．土壤浸出液D．自来水-七年级生物
• 下列哪些是最能体现现代化生产的农业措施[]A．合理灌溉B．合理施肥C．根外追肥D．无土栽培-七年级生物
• 农民为农作物施肥的主要目的是为植物的生长提供[]A．糖类B．蛋白质C．无机盐D．土壤微生物-八年级生物
• Though________money,hisparentsmanagedtosendhimtoschool.A．lackedB．lackingofC．lackofD．lacking-高二英语
• He doesn’t have money now. ____, he would lend it to you. A．If some B．If anyC．If not D．If so-高二英语
• For a moment nothing happened．Then _____ that the war was over．A．came the newsB．the news cameC．did t
• 有些植物如桃树、杏树在春天开花时，叶子尚未长出，开花时期植株需要的能量可能来自[]A．春天植株从土壤中吸收的无机盐B．春天植株从土壤中吸收的有机物C．花瓣利用太阳能进行的-七年级生物
• Among the children ______ the professor telling stories.A．sit B．satC．has satD．had sat-高二英语
• _________ homework did we have to do that we had no time to take a rest.A．So muchB．Too muchC．Too lit
• Look! Here _____. Let’s get on it.A．is coming a busB．comes a busC．a bus is comingD．a bus comes-高三英语
• 植物根毛细胞在下列哪种情况下会失水[]A．土壤溶液浓度＞细胞液浓度B．土壤溶液浓度＜细胞液浓度C．土壤溶液浓度＝细胞液浓度D．根毛细胞不会失水-七年级生物
• 盐碱地不利于种植农作物是因为盐碱地[]A．容易造成土壤缺水B．土壤温度过低C．土壤易于板结而缺氧D．土壤溶液浓度大于植物细胞液浓度-七年级生物
• 植物体需要量最多的无机盐是[]A．含氮、含磷、含钾B．含氮、含磷、含碘C．含氮、含铁、含钾D．含钙、含磷、含钾-七年级生物
• 甲试管盛有肥沃土壤的浸出液，乙试管盛有蒸馏水，各培养一棵大小相同的健壮幼苗，过些日子后观察这两棵幼苗的长势，请回答：（1）甲苗生长________，颜色________。乙苗生长___-八年级生物
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• Only when the government increases affordable homes for low-income groups . A．the imbalance of deman
• 植物体需要量最多的无机盐是[]A．氮磷硫B．硫钾铁C．氮磷钾D．碳磷锌-七年级生物
• This is not my story, nor ______ the whole story. My story plays out differently.A．is thereB．there i
• ______ I already know what career I want to follow.A．Young as I amB．I am as youngC．As I am youngD．As
• 菜农给青菜施农家肥主要是给青菜的生长提供[]A．无机盐B．有机物C．水D．能量-七年级生物
• What we have to admit is that never in the past thirty years __________ so greatly as today.A．has Ch
• 植物细胞吸水取决于[]A．细胞液浓度B．细胞液浓度＞细胞周围水溶液浓度C．细胞周围水溶液浓度D．细胞周围水溶液浓度＞细胞液浓度-七年级生物
• 下图是某同学设计的一组实验：在两个大小几乎相同的萝卜中各挖一个大小相等的洞，向甲、乙萝卜的洞中分别注入等量的清水和浓盐水，各用一个装有玻璃管的橡皮塞塞住洞口，记下-八年级生物
• —I want to get a license. What do you think I should do? —Only with enough practice ______ the driv
• 如果一株番茄植物比其它的矮小瘦弱，而且叶片发黄，那么可判定该棵番茄缺少[]A．钾肥B．氮肥C．磷肥D．硼-七年级生物
• Not all the students follow the rules. Which of the following statement has the same meaning？A．None
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• 农业生产上所说的肥料的三要素是指[]A．氮、磷、铁B．氮、磷、钾C．氮、磷、镁D．氮、磷、钠-七年级生物
• Not until____ did Humphrey begin working. A．did it stop rainingB．had it stopped rainingC．it stopped
• 缺钾时的表现植株矮小，新叶淡绿，老叶黄色枯焦缺氮时的表现茎叶细弱，易倒伏，叶色黄，老叶焦枯并蜷缩缺磷时的表现植株矮小，茎叶暗绿或呈紫红色氮肥充足的时候使植物茎秆健-八年级生物
• 下列哪种情况下，细胞是吸水的[]A．把青菜放在泡菜坛中用盐水浸泡B．把萎蔫的青菜放在清水中浸泡C．把萝卜条用食盐和辣椒腌制D．把蔬菜放在铁锅中炒-七年级生物
• Not only ______ strict with us, but also ______ for us .A．was the teacher ; did he care B．was the t
• 种子在适宜的条件下可萌发成幼苗，幼苗能长成植物体。从种子到植物体的变化过程中，下列图中能正确表示有机物质量变化的是[]A．B．C．D．-八年级生物
• He’s only too ready to help others, seldom, _____ refusing them when they turn to him.A．if everB．if
• So loudly _____ that ______ hear her clearly.A．did she speak; could everyoneB．did she speak; everyo
• _______, she is quite modest.A．As she is an experienced teacherB．An experienced teacher as she isC．