首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Scientists in India have discovered a way to make bamboo plants produce flowers in laboratory. The British【B1】______Nature recen
Scientists in India have discovered a way to make bamboo plants produce flowers in laboratory. The British【B1】______Nature recen
admin
2012-05-17
39
问题
Scientists in India have discovered a way to make bamboo plants produce flowers in laboratory. The British【B1】______Nature recently reported the【B2】______event. In the wild it can take as long as 120 years for some kinds of bamboo to flower, and after the plant【B3】______its seeds it dies. The bamboo plant is used in many different ways. But because it takes so long to produce seeds, scientists never【B4】______it a traditional farm crop. The recent【B5】______in India may change that. The【B6】______was done at the National Chemical Laboratory in India. Three scientists cut two hundred pieces from two different kinds of bamboo plants; each was a few inches long. The tiny cuttings were placed in the【B7】______of coconuts milk, plant-growth hormone and other nutrients. Just a few weeks later, flowers began to【B8】______.【B9】______ . Two weeks after that the plants began to produce seeds.【B10】______. One of them had not put the bamboo seeds in soil, but he believes they will produce plants. The Indian scientists now are planning experiments to see【B11】______.Bamboo reproduces in two ways. It flowers and produces seeds. It also produces new growth from its roots. Bamboo plants growing from its roots are called ZhuSun in China. Bamboo shoots are dug up and replanted in the field. Farmers harvest the leaves. They feed them to their animals.
【B5】
选项
答案
breakthrough
解析
由空前的形容词recent可知,本空应填一名词。
转载请注明原文地址:https://kaotiyun.com/show/KRf7777K
0
大学英语四级
相关试题推荐
Musicwhichis【B1】______isindividualandpersonal.Thatistosay,itcanbe【B2】______asbelongingtoa【B3】______composer.Ith
Computershavebeentaughttoactandspeak,buttheproblemishowto【C1】______themtolisten--tounderstandspokenwords.【C2】
Computershavebeentaughttoactandspeak,buttheproblemishowto【C1】______themtolisten--tounderstandspokenwords.【C2】
A、Untilheeatsit.B、Atlease30minutes.C、Allday.D、Nomorethan30minutes.D
TheBritisharethemost【B1】______newspaperreadersintheworld.Therearemanymorningpapers,bothnationaland【B2】______.T
A、Shedoesn’tknowhowtoswim.B、Thewaterwastoodeep.C、Thewaterwastoocold.D、Shedidn’thaveenoughtime.CW说自己本来想游泳,但
Scientistssaytheyhave【B1】______evidencethatjoggingisgoodforpeople.ThislatestEuropeanresearch【B2】______headline-maki
A、Itmaynotbewarmenough.B、Thewomancanwearitallwinter.C、Itwillnotfitifthewomanlosesweight.D、Thewomanmayha
ThoughtsofsuicidehauntedAnitaRutnamlongbeforeshearrivedatSyracuseUniversity.Shehadahistoryofmentalillnessand
A、Tomakethewomanangry.B、Topleasetheman’smother.C、Davidistheman’sgoodfriend.D、Davidisgoodatcarryingonconver
随机试题
DCS是一种控制功能和负荷分散,操作、显示和信息管理集中,采用分级分层结构的计算机综合控制系统。
驱绦虫的常用药有
A.肝内胆管扩张、肝管扩张、胆囊空虚B.肝内外胆管扩张、胆囊增大C.肝内外胆管扩张、胆囊增大、胰管扩张(双管征)D.肝内胆管不扩张、肝管扩张、胆囊空虚E.肝内胆管不扩张、肝管不扩张、胆囊空虚梗阻部位在胆总管
伤寒的主要临床特点是
身常汗出,夜卧尤甚,久而不止,心悸惊惕,短气烦倦者,治疗应选用()
成本目标通常以()来定量地表示。
《物业管理条例》规定业主委员会的职责有()。
希望通过“内省”把“经验”分解为简单心理元素的心理学家是()
•Youwillheartheorganiserofanannualconferenceattendedbythesalesrepresentativesofalargecompany.Heistellingthe
某投资者6月份以32元/克的权利金买入一张执行价格为280元/克的8月黄金看跌期权。合约到期时黄金期货结算价格为356元/克,则该投资者的利润为()元/克。
最新回复
(
0
)