嫁接的关键是接穗与砧木的________紧密结合，这样才容易成活。-八年级生物

更多内容推荐

• 俗话说“有心栽花花不开，无心插柳柳成荫”，这实际上运用了植物生殖方式中的[]A．嫁接B．扦插C．压条D．有性生殖-八年级生物
• I visited Mr. Johnson during his stay in Shanghai _____ he attended a most important conference ther
• After living in the city for 10 years he returned to the small village _____ he grew up as a child.[
• I'll give you afriend's home address, _____I can be reached most evenings. [ ]A. which B.
• There were few occasions _____he had to give up because of his ill health. [ ]A. when B. whereC. in
• All the neighbours admired this family _____the parents are treating their child like a friend. [ ]A
• All the neighbors admire this family _____ the parents are treating their child like a friend. [ ]A.
• It was in the hall _____ we usually have dinner _____ we had a dancing party last night. [ ]A. where
• I can think of many cases _____ students obviously knew a lot of English words and expressions but c
• — Is that the small town you often refer to?— Right, just the one ____ you know I used to work for y
• — Where did you meet him last? — It was at the hotel _____ he stayed. [ ]A. where B. that C. which D
• — Can you believe I had to pay 30 dollars for a haircut? — You should try the barber's _____I g
• Life is like a long race _____ we compete with others to go beyond ourselves. [ ]A. why B. what C. t
• I'm told that www.languagepractising.com is a free website _____learners can not just learn var
• Children are easily exposed to the Internet culture _____ violence increases to such a degree that p
• Whatever is left over may be put into the refrigerator, _____ it will keep for two or three weeks. [
• I have reached a point in my life _____I am supposed to make decisions of my own.[ ]A. which B. wher
• 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