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] 【C9】
选项
答案
L
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3573665.html
相关试题推荐
Thepast50yearshaveseenmassiveexpansionofagriculture,withfoodprod
CampusCrimeWeoftenthinkofagricultureaspl
CampusCrimeWeoftenthinkofagricultureaspl
CampusCrimeWeoftenthinkofagricultureaspl
CampusCrimeWeoftenthinkofagricultureaspl
CampusCrimeWeoftenthinkofagricultureaspl
CampusCrimeWeoftenthinkofagricultureaspl
CampusCrimeWeoftenthinkofagricultureaspl
CampusCrimeWeoftenthinkofagricultureaspl
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
PassageFive[br]Whatdoestheword"pronounced"inParagraphNineprobablymea
Forcenturies,inthecountriesofsouthandSoutheastAsiatheelephanthas
WhydidMissWhiteeventuallystarttowriteforchildren?[br][originaltext]M
[audioFiles]2017m5s/audio_ezfj_152_201705[/audioFiles]CreditCardsonCampu
以下关于嵌入式软件开发的叙述中,正确的是()。A.宿主机与目标机之间只需要建立
钢绞线应力松弛性能试验允许至少用()的测试数据推算1000h的松弛率值。A
患者,女性,61岁。4小时前活动中突发晕厥,入院后行ECG示HR:35次/分,第
老王围着边长为50米的正六边形的草地跑步,他从某个角点出发,按顺时钟方向跑了50
发自髓室底至根分叉处的管道是A.管间吻合 B.根管侧支 C.根尖分歧 D.
桥接坏死主要见于A、轻度慢性肝炎 B、急性重型肝炎 C、中、重度慢性肝炎
最新回复
(
0
)