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【单选题】
有一棵三次树,其中 n3=2 , n2=1 , n0=6 ,则该树的节点个数为( )。A.
9
B.
12
C.
10
D.
大于等于9的任意数
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反馈参考答案：
举一反三
【简答题】If an issuer has the right to pay off a bond
before its maturity, the bond isA. convertible. B. speculative. C. callable. D. reversible.
【简答题】东风8B型内燃机车微机系统主要由微机控制柜、（）、彩色液晶显示屏和各类传感器等软硬件系统组成。
【单选题】电力系统微机保护由软件系统和硬件系统组成，其中硬件系统主要有（）。
A.
电脑主机、打印机、通讯总线、显示器
B.
CPU（微处理器）主机系统、模拟量数据采集系统、开关量输入/输出系统
C.
交流电流变送器、交流电压变送器、电流互感器、电压互感器
D.
电流互感器、电压互感器、时间继电器、热继电器
【单选题】If you are an AliExpress buyer,which of the following statement is NOT correct? If you are an AliExpress buyer,which of the following statement is NOT correct?
A.
.If a seller is sending you unwanted messages, you can blacklist the seller
B.
Once you have submitted your feedback, you won’t be able to revise it. However, you are always welcome to add additional feedback
C.
Once your dispute was closed by AliExpress Case Management Team, you cannot appeal the result
D.
When you are arranging the payment for the order, if your card has expired or your payment has exceeded your card’s limit, please contact your card issuer
【单选题】If new information becomes available that could require a reevaluation of the quantitative level of materiality applied during an audit of an issuer, then the auditor should
A.
Not change the materiality level once it has been established
B.
Lower the materiality level, but not raise it.
C.
Raise the materiality level, but not lower it.
D.
Raise or lower the materiality level as appropriate to the situation
【简答题】张洁,当代女作家。1978年发表第一篇小说( ),获得全国优秀短篇小说奖,第二年加入中国作协。
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