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
3
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] 【C1】
选项
答案
B
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3573657.html
相关试题推荐
Thepast50yearshaveseenmassiveexpansionofagriculture,withfoodprod
Thepast50yearshaveseenmassiveexpansionofagriculture,withfoodprod
Thepast50yearshaveseenmassiveexpansionofagriculture,withfoodprod
CampusCrimeWeoftenthinkofagricultureaspl
CampusCrimeWeoftenthinkofagricultureaspl
CampusCrimeWeoftenthinkofagricultureaspl
[originaltext]M:AsfarasIknow,manystudentswhochoosetoliveoffcampus
[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
Musiccomesinmanyforms;mostcountrieshaveastyleoftheirown.【C1】___
下列关于活动地板面层验收允许偏差和检验方法的说法,正确的是()。A.表面平整度
公路收费权、学校收费权等属于银行存量押品种类的()。A.金融质押品 B.
ABC会计师事务所承接了D集团公司(拥有甲、乙、丙、丁等多个组成部分)2012年
痫病形成主要是何种邪气作崇A.火 B.气 C.风 D.痰 E.瘀
脑脊液标本经放置1~2小时后,即可形成明显凝块,并有沉淀物出现可见于A.蛛网膜下
国际多式联运的业务程序主要包括( )。 A.编制作业安排书 B.装箱
股东最重要的义务是()。A.缴纳出资义务 B.遵守公司章程 C.忠诚
矿井定向就是( ) A.确定井下巷道的方向, B.将矿区地面平面坐标系
男,50岁。持续胸痛8小时,喘憋2小时入院。既往无高血压病史。查体:BP150
最新回复
(
0
)