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] 【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
SurvivalofEnglishLanguageI.Introduction—English
Today,moreandmorepeopleintheUnitedStatesareusingcreditcardsinst
[originaltext]W:CanIseeyourhandluggage,please?M:Ijusthavethisbag
患者,女,15岁,恒牙,磨牙中性关系,上下牙弓Ⅱ度拥挤,口腔卫生差,牙石++,低
如图5,①②③所标注的肌肉分别是()。 A.腹外斜肌、臀中肌、臀大肌 B
饥饿或是胃部引起,或是大脑中的血液循环引起,或是全身的神经引起。如果饥饿由胃部引
下列选项中属于个人消费贷款的有()。A.个人汽车贷款 B.助学贷款 C.
(2021年真题)甲因寻衅滋事造成乙财物损毁,检察院对其批准逮捕。甲在侦查阶段拒
某女,27岁。1周前因右前臂出现鲜红色皮疹,皮疹为圆形红斑,上附糠状鳞屑,自服复
关于受国家保护的文物范围的说法,正确的是()。A.古人类化石属于受国家保护
最新回复
(
0
)