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【简答题】
下图为嫁接过程示意图，请据图回答下面的问题。 (1)结构A的名称是_______，结构B的名称是_________。 (2)在嫁接时要用麻绳或塑料绳捆紧扎好，目的是使A与B的___________紧密结合。 (3)新形成的植物体将表现出[ ]________的性状。 (4)嫁接过程中，对于A的选择原则是A应该具有__________，嫁接之后可以保持这种性状。
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反馈参考答案：
举一反三
【单选题】“When a new state comes into being through decolonization, the ex-colony starts with no obligation to succeed to the treaties of its former colonial power.” This is known as the:
A.
clean slate doctrine.
B.
divorcement policy.
C.
ex parte doctrine.
D.
fresh start rule.
【单选题】以下程序所包含的错误是____________。 r=eval(input("请输入圆的半径:")) S=2*3.14*r print("半径为{}的圆的面积为{}".format(r,S))
A.
运行时错误
B.
语法错误
C.
算法错误
D.
该程序没有错误
【单选题】You work as the enterprise exchange administrator at Company.com.The Company.com network consists of a single Active Directory domain named Company.com.Company.com has an Exchange Server 2010 organiza...
A.
The best option is to set up a new managed content setting.
B.
The best option is to change Andy Booth’s message size restrictions.
C.
The best option is to set up a new Exchange ActiveSync mailbox policy.
D.
The best option is to change the default Exchange ActiveSync mailbox policy.
【简答题】在T形梁中，当 时，属于第二种T形梁。( )
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