单选题The type of extinguisher which should be used for an electricity fire is（）.A foam or soda acidB dry chemical or foamC carbon dioxide or dry chemicalD carbon dioxide or foam

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单选题

The type of extinguisher which should be used for an electricity fire is（）.

foam or soda acid

dry chemical or foam

carbon dioxide or dry chemical

carbon dioxide or foam

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相似问题和答案

第1题：

An application needs to store a 5 MB JPEG image in a DB2 table. Which data type should be specified for the column that will be used for storing the image?()

A.GRAPHIC

B.BINARY

C.IMAGE

D.BLOB

参考答案：D

第2题：

For which type of connection should a straight－through cable be used?()

A.switch to switch

B.switch to hub

C.switch to router

D.hub to hub

E.router to PC

参考答案：C

第3题：

What type of extinguisher should be used for an electric fire? ________

A.CO2

B.Form

C.Water

D.Water and Form

正确答案：A

第4题：

Which statement is true about assertion in the Java programming language？（）

A、 Assertion expressions should not contain side effects.
B、 Assertion expression values can be any primitive type.
C、 Assertion should be used for enforcing preconditions on public methods.
D、 An AssertionError thrown as a result of a failed assertion should always be handled by the enclosing method.

正确答案:A

第5题：

An engine compartment gasoline fire requires which type of extinguisher?______.

A.Carbon dioxide

B.Dry chemical

C.Foam

D.All of the above

正确答案：D
机舱油汽火灾要求哪一种灭火器（扑灭）？CO2，干粉，泡沫

第6题：

When selecting a Network Interface Card (NIC), which of the following factors need to be considered?()

A. The type of application used on the network

B. The type of system bus used by the computers

C. The type of memory installed in each computer

D. The type of media used in the network topology

E. The type of protocols used in the network

F. The physical layout of the network hosts

参考答案：B, D, F

第7题：

______, as the chemical extinguisher agent, should be used for an electric fire.

A.dry chemical or foam

B.foam or soda acid

C.carbon dioxide or foam

D.carbon dioxide or dry chemical

正确答案：D
二氧化碳或干粉灭火器作为化学灭火器，用于扑灭电器火灾。

第8题：

Which two LSA types can be used to aggregate inter－area routes?()

A. Type 2

B. Type 3

C. Type 4

D. Type 5

E. Type 9

参考答案：B, D

第9题：

For which type of connection should a straight-through cable be used?（）

A、switch to switch
B、switch to hub
C、switch to router
D、hub to hub
E、router to PC

正确答案:C

第10题：

Which two LSA types can be used to aggregate inter-area routes?（）

A、Type 2
B、Type 3
C、Type 4
D、Type 5
E、Type 9

正确答案:B,D

The type of extinguisher which should be used for an electri

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