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
48
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
A、thealphabet.B、aconflict.C、numbers.D、aconcept.D此题虽考查对所听句子的理解能力,但只要抓住关键词sign和symbol,题目也迎刃而解了,只有concept在原文中出现过。“Hecreate
TheBritisharethemost【B1】______newspaperreadersintheworld.Therearemanymorningpapers,bothnationaland【B2】______.T
Largeanimalsthatliveinthedeserthaveevolvedanumberofadaptationsforreducingtheeffectsofextremeheat.Oneadaptat
Therewasatimewhen,ifaladygotontoa【B1】______busortrain,agentlemanwouldimmediatelystandupandofferhisseat.No
Therewasatimewhen,ifaladygotontoa【B1】______busortrain,agentlemanwouldimmediatelystandupandofferhisseat.No
Therewasatimewhenparentswhowantedaneducationalpresentfortheirchildrenwouldbuyatypewriter,aglobeoraset
ThereisprogresstowardapossibletreatmentforlungdiseasessuchasSARS(severeacuterespiratorysyndrome).Researchersha
A、Tosavemoneyonequipment.B、Tohelpkeepparticipantsfromgettinglost.C、Toinstructnewcomersaboutbicyclemaintenance.
Thereis____________(无可否认)thathehasdirectedthemostpopularfilmsintenyears.
A、Tomakethewomanangry.B、Topleasetheman’smother.C、Davidistheman’sgoodfriend.D、Davidisgoodatcarryingonconver
随机试题
镰状细胞贫血是异常血红蛋白基因纯合子的临床表现,已知血红蛋白β链有一个氨基酸改变了,最可能的突变机制是
A.劳力性心绞痛B.不稳定性心绞痛C.胃食管反流病D.十二指肠球部溃疡E.慢性胃炎男性,75岁。患糖尿病10年,近感夜间胸痛,可痛醒,需坐起15~20分钟方缓解。可诊断为
下列中枢神经系统内,兴奋性化学传递特征的描述,错误的是()。
急性龈乳头炎的病因不包括
经后小腹冷痛喜按,症状属于
李某将房屋租给张某使用,双方约定张某应在李某儿子大学毕业分配北京后的10天内腾出房屋。这一协议属于()。
在网上发过帖或跟过帖的网民约比上传过图片的网民多()。
Somequestionsgiveyoutwoquantities,QuantityAandQuantityB.Comparethetwoquantitiesandchooseoneofthefollowingan
A、theydonotlandthereB、therearenotcloudsatallC、theycancrosstheicewithspecialequipmentD、itisverycoldB综合理解题。
Thesecuritydepartment____________(怀疑他提供情报)toaforeigncompany.
最新回复
(
0
)