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
We often think of agriculture as planting seeds and harvesting crops. But many crops do not come from seeds. Many kinds of trees
We often think of agriculture as planting seeds and harvesting crops. But many crops do not come from seeds. Many kinds of trees
admin
2019-03-10
100
问题
We often think of agriculture as planting seeds and harvesting crops. But many crops do not come from seeds. Many kinds of trees and plants are grown from【D1】______cut from existing trees and plants. This is called grafting (嫁接).
Farmers cut branches or young growths, called【D2】______, from one plant and place them on a related kind of plant. The branch or bud that is grafted is called a scion (接穗). The plant that【D3】______the graft is called the rootstock. Over time, the【D4】______from the two plants grow together. The grafted plant begins to【D5】______the leaves and fruit of the scion, not the rootstock.
A graft can be cut in several ways. A cleft graft (割接,劈接), for example, requires a scion with several buds on it. The bottom of the scion is cut in the【D6】______of the letter V. A place is cut in the rootstock to accept the scion. The scion is then【D7】______placed into the cut on the rootstock. Growth medium is put on the【D8】______to keep it wet and help the growth.
Grafting can join scions with【D9】______qualities to the rootstock that is strong and resists disease and insects. Some common fruit trees such as sweet cherries have to be grafted.
In an age of high-technology agriculture, grafting is a low-technology method that remains【D10】______important.
A) accepts F) desirable K) parts
B) agreeable G) extremely L) pieces
C) blossoms H) gradually M) produce
D) buds I) grow N) securely
E) composes J) joint O) shape
【D1】
选项
答案
L
解析
根据句子结构可知,空格前为介词from,空格后为后置定语,此处应填入名词。此处句意为,许多树木和作物都是从已有树木和作物上切下的______长成的。切下的肯定是切片,故选L)pieces。
转载请注明原文地址:https://kaotiyun.com/show/9M5K777K
本试题收录于:
浙江省大学英语三级题库大学英语三级分类
0
浙江省大学英语三级
大学英语三级
相关试题推荐
Thereisprobablynolimittowhatsciencecandointhewayofincreasingpositiveexcellence.(81)Healthhasalreadybeengre
Thereisprobablynolimittowhatsciencecandointhewayofincreasingpositiveexcellence.(76)Healthhasalreadybeengrea
Thereisprobablynolimittowhatsciencecandointhewayofincreasingpositiveexcellence.(76)Healthhasalreadybeengrea
Thetechniquesofsalespromotionareusedbothtomotivatesalespersonstoimprovetheirperformanceandtoinduceconsumersto
I’mreallyintwomindsaboutwhattodowhenIleaveschool.ShouldIgostraighttouniversityorshouldIspendayeartravel
Tourismhelpspeopletodevelopavarietyofskills.Asaservicesectorwithcross-cuttingimpactonagriculture,constructiono
Weoftenthinkofagricultureasplantingseedsandharvestingcrops.Butmanycropsdonotcomefromseeds.Manykindsoftrees
Weoftenthinkofagricultureasplantingseedsandharvestingcrops.Butmanycropsdonotcomefromseeds.Manykindsoftrees
随机试题
如图所示,则结构中AC和BC两杆所受的力为()。
A.5′突出末端B.3′突出末端C.5′及3′突出末端D.5′或3′突出末端E.平末端
患者,男性,45岁,主诉冷热敏感数月。检查发现口内多数牙颈部出现楔状缺损;冷测(±),余留牙磨耗严重;可以看到在旧有的楔缺处的充填物上呈V形沟。该患者楔缺最可能的病因是
与呼吸运动关系最密切的两脏是
造成铸造全冠就位困难的原因是间隙涂料涂得过厚。()
对会计职业道德进行自律管理与约束的机构是()。
证券经纪业务营销人员在所服务证券公司的授权范围内从事客户招揽和客户服务等活动时,应()。Ⅰ.如实向客户传递所服务证券公司统一提供的研究报告及与证券投资有关的信息Ⅱ.向客户充分提示证券投资的风险Ⅲ.清晰、准确、客观地向客户介绍证券市场和证券公
一位房地产信息员通过对某城镇的调查发现:护城河是新城区和老城区的分界线:护城河北岸房屋的租金相对比较廉价;廉租房和限价房都坐落在老城区;别墅主要集中在鸡鸣湖沿岸。根据该房地产信息员的调查,以下哪项不可能为真?
Studythefollowingpicturecarefullyandwriteanarticleonthewasteofenergy.Inyourarticle,youshouldcoverthefollowi
Masstourismisaformoftourismthatinvolvestensofthousandsofpeoplegoingtothesameresortoftenatthesametimeofa
最新回复
(
0
)