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
36
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] 【C6】
选项
答案
N
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2957398.html
相关试题推荐
TheNewestAddictionsonCampusAPrincetonfreshman
TheNewestAddictionsonCampusAPrincetonfreshman
TheNewestAddictionsonCampusAPrincetonfreshman
TheNewestAddictionsonCampusAPrincetonfreshman
OnConservation-orientedCampus1.现在人们提倡建设节约型校园2.这样做的原因3.我的观点
Thepast50yearshaveseenmassiveexpansionofagriculture,withfoodprod
Thepast50yearshaveseenmassiveexpansionofagriculture,withfoodprod
Thepast50yearshaveseenmassiveexpansionofagriculture,withfoodprod
Thepast50yearshaveseenmassiveexpansionofagriculture,withfoodprod
CampusCrimeWeoftenthinkofagricultureaspl
随机试题
(1)TheU.N.GeneralAssemblyonTuesdayurgedgovernmentstobanallhumanc
以下关于空气分离设备叙述不正确的是()。A.吸附法分离空气是利用分子筛优先吸
从高级控制点A开始,经过所选控制点又回到起始点A的导线,称为()。A.闭合导
下列为自我感知运动强度的中度强度的是()A.11—14区间内 B.8—
分化好的原始单核细胞呈阳性反应,分化差的原始单核细胞呈阴性反应,幼稚及成熟单核细
以下资产流动性最强的是()。A.活期储蓄 B.货币市场基金 C.具有现金价
某药品的有效期为2002年4月5日,表明本品最迟可用至A:2002年4月4日
测试时人体不能接触暂态地电压传感器,以免改变其()。对地电容$;$杂散电容$;$
A.冷处 B.阴凉处 C.常温 D.遮光 E.凉暗处上述是《中国药典》凡
资格审查方法分为合格制和有限数量制两种,两者的区别主要体现在()。A.审查程序
最新回复
(
0
)