The great success of this program has been _____ due to the support given by the local businessmen.

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• These plants are watered___________.[ ]A. each other day B. every other dayC. each of two days D. ev
• Fortunately somebody happened to be passing by and called the fire department ___ the fire broke out
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• — Peter! How are you getting on with your studies?—Well, my grades have gone down, not too much, but
• There was no news; ____, she didn't give up hope. [ ]A. moreoverB. besidesC. but D. nevertheles
• —______, he got a low mark in the exam.— He _______. [ ]A. He is stupid; never studies hardB. Stupid
• The house rent is expensive. I've got about half the space I had at home and I'm paying___
• I'm certain Davel's told you his business troubles. _____, it's no secret that he owe
• The old man came to our restaurant so ____ that all of us were familiar with him. [ ]A. frequentlyB.
• The questionnaire takes _____ten to fifteen minutes to complete and can be used along with the asses
• — The film is, I have to say, not a bit interesting. — Why? It's _____ than the films I have ev
• The policemen _____ the murderer. [ ]A. are still searching B. are searching stillC. still search D.
• People who exercise _____ are less likely to feel stress. [ ]A. regularly B. formally C. mostly D. p
• Mother went shopping; _____, I cleaned the house. [ ]A. while B. whenC. however D. meanwhile -高二英语
• These flowers should not be watered too _____, once _____. [ ]A. long; every other day B. often; eve
• — Do you think it's a good idea to make friends with my students? — _____, I do. I think it
• His father told me that he _____ for the United States three days _____.[ ]A. has left; ago B. had l
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• 从“有心栽花花不成，无心插柳柳成荫”的诗句中，可知柳树可以采用的繁殖方式是[]A．嫁接B．扦插C．地下茎繁殖D．组织培养-八年级生物
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• 下列哪项不是组织培养的优点[]A．可以促进植物开花结果B．可以用来培养新的植物品种C．可以防止植物病毒危害D．可以短时间内大量繁殖植物-八年级生物
• 有位同学在进行嫁接实验中，将蟹爪兰嫁接在仙人掌上，那么将来形成的植株开的花是[]A．仙人掌的花B．蟹爪兰的花C．不会开花D．结合两种植物特点的花-八年级生物
• 观察下图，回答问题。(1)植物的嫁接有枝接和芽接的方式，A属于___________，B属于____。(2)A图的①是___________，②是___________；B图的①是__________
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• 某果园的苹果树大都产量较低、果实品质欠佳。若要尽快更新优质苹果树，你的合理化建议是[]A．种子繁殖B．全部换栽C．果枝扦插D．果枝嫁接-八年级生物
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• 看图填空（1）图中操作步骤是在生产实践中常见的_______方式，属于_____生殖。（2）图一所指的是______，图二所指的是______。两者的区别是图一是用______做接穗，图二是用____
• 植物嫁接的基本方法和原理嫁接时要使_______和_______的_________紧密结合在一起，这样才能使两部分细胞愈合在一起，提高成活率。嫁接后的植株往往具有_______特征。嫁接有_-八年级
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• 梨、桃等果树常用播种的方法来繁殖。[]-八年级生物
• 对于月季、杨、柳等容易生根的植物，一般用嫁接的方法来繁殖。[]-八年级生物
• 园艺师能将一株仙人掌培育成具有多种性状、开多种颜色花朵的仙人掌类植物，能达到上述目的的技术是[]A．组织培养B．嫁接C．种子繁殖D．扦插-八年级生物
• 某果园的苹果树大都产量较低、果实品质欠佳。若要尽快更新为优质苹果树，你认为最快捷的做法是[]A．利用种子繁殖B．全部换栽C．进行果枝扦插D．进行果枝嫁接-八年级生物
• 鸭梨味道香甜，但适应性差；野生梨味酸，但适应性强。将鸭梨的枝条嫁接到野生梨的砧木上，该枝条成活后所结果实的味道[]A．与鸭梨一样香甜B．与野生梨一样酸C．介于鸭梨和野生梨-八年级生物
• 如图所示：（1）①是________。②是_________。（2）这种生殖方法叫_________，属于________（有性或无性）生殖，因为：_____________________。-八年级
• “有心栽花花不活，无心插柳柳成荫”说明繁育柳树容易成活的方式是-八年级生物
• 嫁接中，接上去的芽或枝叫做________，被接的植物叫做________，嫁接时应使__________才能使其成活。-八年级生物
• 农业生产中，常见的无性生殖方式有_________、_________等。-八年级生物
• 在学习了绿色植物的相关知识后，兴趣小组对豌豆的生长过程进行了探究，如下图所示。请据图回答问题：（1）选种时，该小组同学对豌豆种子的结构进行了观察，发现胚是由胚芽、胚轴-八年级生物
• 人工营养生殖的常用方法有：___________、___________和________等。-八年级生物