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
25
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] 【C9】
选项
答案
L
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2957401.html
相关试题推荐
Thepast50yearshaveseenmassiveexpansionofagriculture,withfoodprod
Thepast50yearshaveseenmassiveexpansionofagriculture,withfoodprod
CampusCrimeWeoftenthinkofagricultureaspl
CampusCrimeWeoftenthinkofagricultureaspl
CampusCrimeWeoftenthinkofagricultureaspl
CampusCrimeWeoftenthinkofagricultureaspl
CampusCrimeWeoftenthinkofagricultureaspl
CampusCrimeWeoftenthinkofagricultureaspl
[originaltext]M:AsfarasIknow,manystudentswhochoosetoliveoffcampus
[originaltext]M:AsfarasIknow,manystudentswhochoosetoliveoffcampus
随机试题
Youngpeoplearefacinganuncertainfuture.Asthe21stcenturydawned,the
[originaltext]Whenwillthebasketballmatchbeover?[/originaltext]A、7:30.B、5
局限于beconfinedto
主要用于心衰的诊断、鉴别诊断和预后分析的指标是A.cTn B.LDH C.A
Thechangeinthatvillagewasmiraculou
医德评价的标准不包含A.互助 B.奉献 C.公正 D.有利 E.自主
某市统计局在针对噪音扰民的一次调查中,当问及受访市民对哪一类噪音反感时,选择社区
下列情形中,表明存货的可变现净值为零的有()。A.因产品更新换代,已经不再生产
2007年,中国人民银行加大了宏观金融调控的力度,灵活连用货币政策工具:第一,运
根据《民法典》,民事法律行为的有效要件有()。A.行为人具有相应的民事行为
最新回复
(
0
)