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
2024-04-27
26
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] 【C7】
选项
答案
E
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3573663.html
相关试题推荐
Thepast50yearshaveseenmassiveexpansionofagriculture,withfoodprod
Thepast50yearshaveseenmassiveexpansionofagriculture,withfoodprod
Thepast50yearshaveseenmassiveexpansionofagriculture,withfoodprod
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
IsthereenoughoilbeneaththeArcticNationalWildlifeRefuge(保护区)(ANWR)to
[originaltext]WeknowthenthatintheUS,it’sthejobofCongresstoprop
Afterbeingabroadfordecades,68Chineseculturalrelicsthathadbeentak
内部审计觉得属性抽样中规定的参数不能准确体现审计要求,所以在保证其它因素不变的情
根据基金从业人员行为自律准则要求,以下行为正确的是()。 Ⅰ、维护社会公共利
A.中性粒细胞增多 B.浆细胞增多 C.间皮细胞增多 D.嗜酸性粒细胞增多
下列房地产权利中,属于担保物权的是( )。A、抵押权 B、自物权 C、地
教学口语的语速要适当高于一般人际交往口语的语速,以提高课堂教学的效率。()
我国的市场利率主要包括()。A.金融机构同业存款利率 B.拆借市场利率
在下列状况中,承包商应向发包商追究损失的是( )。A.因停电6h的误工 B.
最新回复
(
0
)