— ? — He is short and he has big eyes and a small nose. A .Where is the boy from B. What d...

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— ? — He is short and he has big eyes and a small nose. A .Where is the boy from B. What does the boy look like C. What class is the boy in

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参考答案：

举一反三

【判断题】个体防毒的措施之一是正确使用呼吸防护器,防止有毒物质从呼吸道进入人体引起职业中毒。

正确

错误

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【单选题】public interface A { String DEFAULT_GREETING = “Hello World”； public void method1（）； } A programmer wants to create an interface called B that has A as its parent. Which interface declaration is c...

public interface B extends A {}

public interface B implements A {}

public interface B instanceOf A {}

public interface B inheritsFrom A {}

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【单选题】In following description of the interface ,the incorrect one is :

Interface is a reference type

Interface supports multiple inheritance

Methods in an interface have no method body

An interface can inherit variables from other interfaces

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【单选题】How set the IP address to an interface and after enable a port or interface:

Router(config)# interface Router(config-if)# ip address Router(config-if)# no shut

Router(config)# interface Router(config-if)# ip number Router(config-if)# open interface

Router(config)# interface Router(config-if)# ip address Router(config-if)# shutdown

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【判断题】个体防毒的措施之一是正确使用呼吸防护器，防止有毒物质从呼吸道进入人体引起职业中毒。

正确

错误

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【判断题】个体防毒的措施之一是正确使用呼吸防护器，防止有毒物质从呼吸道进入人体引起职业中毒。

正确

错误

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【判断题】在德国巴登地区发现的用梅石做的小雕像同样强调女人的繁衍能力

正确

错误

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【多选题】The communication between the external device and the CPU is through the input / output interface. What are the main reasons for setting the interface?

Interface works as data cache

Interface for information format conversion

The interface reports the operating status of the device and communicates the commands of the computer

Interface accelerates information transmission

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【多选题】《铁路旅客运输服务质量标准》规定，旅客列车服务质量标准分为（）三个等级。

普通（快车、慢车）

快速

特快

动车组

部标站

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