Whatever is left over may be put into the refrigerator, _____ it will keep for two or three weeks. [

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• It's helpful to put children in a situation _____they can see themselves differently. [ ]A. tha
• — Where did you first meet your boyfriend?— It was in the department store ______ he worked. [ ]A. w
• 压条是把枝条从植株上弯下来，并且把枝条__________剥去__________，埋进土壤并固定，让枝条的__________露出地面；等埋进土中的枝条长出________后，再与母体分开。-八年级
• Who can tell me if there is a bookstall around _____I can buy a latest magazine?[ ]A. where B. which
• Stephen Hawking believes that the earth is unlikely to be the only planet _____life has develop grad
• 桃是常见的水果，含有丰富的营养物质。下图是桃花、桃的结构示意图，请据图回答下列：（1）甲图除了表示桃花的结构外，还表示的传粉方式是__________。花谢以后要结桃子，还要经-八年级生物
• Britain's Prince William and Kate Middleton will marry next year in Westminster Abbey, _______
• Many youth went to the Shanghai Science and Technology Museum on Nov. 16, 2009, _____ U.S. President
• Mr. Smith went back to _____place _____he had found the diamond. [ ]A. the same, where B. the same,
• Bungee jumping is an adventurous sport, popular with young adults, _____courage matters more than st
• I think you've got to the point _____ a change is needed, otherwise you'll fail.[ ]A. when
• 根据植物的生殖有关知识，要想让同一桔子树结出不同口味的桔子，你认为最好采用的办法是[]A．组织培养B．嫁接C．扦插D．播种-八年级生物
• The reason_____ Malcolm didn't study art was_____ his father didn't want him to. [ ]A. for
• The clean-up operation at the bullet train crash site in east China's Zhejiang province has bee
• Later in this chapter cases will be introduced to readers _____ consumer complaints have led to chan
• — Is this the studio you referred to? — Right, just the one _____you know I used to work for years.
• 下图为嫁接过程示意图，椐图回答问题：（1）在生产实践中，人们经常利用植物的_________来栽培农作物和园林植物，常见的方式除嫁接外，另一种是__________。（2）要使嫁接成功，关-八年级生物
• 一 When did your cousin begin to show his interest in medicine? 一 It was a Saturday _____ she noticed
• We are living in an age _____ computers play an important role in our life. [ ]A. which B. that C. w
• I was fortunate enough to travel to South Africa, _____I met some women who have organized themselve
• 下图所示繁殖技术具有用材少、繁殖速度快、很少感染病毒等优点。此繁殖技术是[]A．扦插B．嫁接C．地下茎繁殖D．组织培养-八年级生物
• It was yesterday _____ I saw her and it was almost 10 o'clock _____ she arrived. [ ]A.when, whe
• There was a time _____ I hated to go to school. [ ]A. that B. which C. when D. on which -高一英语
• 属于无性生殖的是①用植物的组织培养技术繁殖月季②用蒜瓣繁殖大蒜③将仙人球嫁接到仙人掌上繁育新植株④用种子繁殖水稻[]A．①②③B．①②④C．②③④D．①③④-八年级生物
• 椒草的叶能发出芽和根，这些芽能生成新的植株，这种生殖方式属于[]A．孢子生殖B．有性生殖C．无性生殖D．分裂生殖-八年级生物
• — Where did you find Tom? — It was in the house _____I used to live. [ ]A. what B. which C. where D.
• It was in the factory _______ his friend worked _______ he picked up a lot of experience. [ ]A. wher
• Can you think of any case _____ this idiom can be used? [ ]A. when B. whichC. where D. how -高二英语
• 李桃梅同学在参观菊展时看到一株植株上开有不同颜色的菊花，它们是通过什么样的方式繁殖来的[]A．播种B．扦插C．植物组织培养D．嫁接-八年级生物
• — Is that the small town you often refer to? — Right, just the one _____ you know I used to work for
• Culture shock is a feeling_____ most travellers experience in a foreign country_____ they find the c
• 水蜜桃味酸，毛桃味甜，将水蜜桃的接穗接到毛桃的砧木上。结出的果实味为：[]A．酸B．甜C．酸甜各半D．苦涩-八年级生物
• It was April 29, 2011 ____ Prince William and Kate Middleton walked into the palace hall of the wedd
• 嫁接时，接上去的芽或枝叫[]A．接穗B．砧木C．压条D．插条-八年级生物
• 嫁接是植物人工营养繁殖的常用方法之一。若将柿的芽（接穗）嫁接到黑枣的植株（砧木）上，将来接穗上结出的果实是。-八年级生物
• 进行无土栽培时应适时更换营养液，目的是为植物的生长提供[]A．水B．无机盐C．蛋白质D．脂肪-八年级生物
• He'll never forget the years _____ he studied with his cousin in Oxford University. [ ]A. where
• The last thirty years have seen the greatest number of laws stopping our rights and progress; until
• 在实践中，为了繁育优良品种，人们通常利用植物的无性生殖来栽培农作物和园林植物。(1)上图所示的繁殖方法叫做，为提高接穗成活率，使用该方法时，应当使接穗与砧木的紧密结-八年级生物
• 梨、桃等优良品种的栽培通常用下列哪种方法繁育：[]A．嫁接B．种子C．扦插D．压条-八年级生物
• 植物的无性生殖在农业生产上有着广泛应用。下列实例不属于无性生殖的是[]A．蟹爪兰嫁接到仙人掌上B．马铃薯的块茎切成小块来种植C．用葡萄的枝条进行扦插D．用玉米种子繁殖后代-八年级生物
• It was a time _____ the killer whales helped the whalers catch the baleen whales. [ ]A. whenB. that
• He's got himself into a dangerous situation _____ he is likely to lose control over the plane.
• 2011年4月第九届中国垦利桃花节如期而至，万亩桃花竞相吐艳，美不胜收，红的似火，粉的如霞，白的像雪。下图为桃花的传粉示意图，请据图分析回答：（1）花美丽的颜色往往是花冠-八年级生物
• 下图是植物组织培养流程图，据图回答：（1）假设A瓶内是某木本植物的一段茎尖，经过组织培养，长成了一株植物，这段茎尖可以叫_________，进行组织培养的依据是_______________-八年级生
• 农民用红薯块根繁殖红薯苗，再将红薯苗栽到大田中来繁殖红薯的方法分别是[]A．种子繁殖、营养繁殖B．种子繁殖、种子繁殖C．营养繁殖、种子繁殖D．营养繁殖、营养繁殖-八年级生物
• 根据图示，在横线处补充完整。-八年级生物
• 切取一段紫背天葵的茎，插入湿润的沙土中。一般在4～10天后，即可生出新根，这种繁殖方法叫[]A．扦插B．压条C．嫁接D．组织培养-八年级生物
• 学校里种植了品种繁多的月季花，某兴趣小组想让一株月季开出不同色彩的花，应该采用的技术是[]A．人工授粉B．扦插C．嫁接D．组织培养-八年级生物
• After living in Paris for years, he returned to the small town _____ he grew up as a child.[ ]A. tha