首页
登录
职称英语
Campus Crime We often think of agriculture as pl
Campus Crime We often think of agriculture as pl
游客
2023-08-25
57
管理
问题
Campus Crime
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【C1】______cut from existing trees and plants. This is called grafting(嫁接).
Farmers cut branches or young growths, called【C2】______, 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【C3】______the graft is called the root stock. Over time, the【C4】______from the two plants grow together. The grafted plant begins to【C5】______the leaves and fruit of the scion, not the root stock.
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【C6】______of the letter V. A place is cut in the root stock to accept the scion. The scion is then【C7】______placed into the cut on the root stock. Growth medium is put on the【C8】______to keep it wet and help the growth.
Grafting can join scions with【C9】_______ qualities to root stock 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【C10】______important.
A)blossoms F)extremely K)grow
B)pieces G)buds L)desirable
C)composes H)agreeable M)produce
D)parts I)accepts N)shape
E)securely J)relatively O)joint [br] 【C10】
选项
答案
F
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2957402.html
相关试题推荐
Thepast50yearshaveseenmassiveexpansionofagriculture,withfoodprod
Thepast50yearshaveseenmassiveexpansionofagriculture,withfoodprod
CampusCrimeWeoftenthinkofagricultureaspl
CampusCrimeWeoftenthinkofagricultureaspl
CampusCrimeWeoftenthinkofagricultureaspl
CampusCrimeWeoftenthinkofagricultureaspl
CampusCrimeWeoftenthinkofagricultureaspl
[originaltext]M:AsfarasIknow,manystudentswhochoosetoliveoffcampus
[originaltext]M:AsfarasIknow,manystudentswhochoosetoliveoffcampus
MyViewonCampusViolence1.近来不断有大学校园暴力事件发生2.产生这些暴力事件的
随机试题
GrandCanyonHowwastheGrandCanyonformed?Thetruthisthat
KillingMeMicrosoftlywithPowerpointPowerpoint,thepublic
Astemptingasitcanbetoletitallhanglooseandstopworryingwhileon
MBC是指能杀灭________细菌所需的最低浓度。
甲、乙两车分别以30公里/小时和40公里/小时的速度同时匀速从A地开往B地,丙车
《关于加强社会工作专业人才队伍建设的意见》提出要积极开展社会工作专业人才队伍职业
某股票组合市值8亿元,β值为0.92。为对冲股票组合的系统性风险,基金经理决定在
商品使用价值和价值的统一性表现在()。A.使用价值是价值的物质承担者,没有使用
根据合同法律制度的规定,下列关于承诺的表述中,正确的是( )。A.承诺人可以撤
下列有关造价工程师职业资格考试的表述,错误的是()。A.二级造价工程师职业
最新回复
(
0
)