题目内容

花塞的热特性常用热值表示,热值越高,表示散热性越好;所以热值数小的为冷型火花塞,热值数大的为热型火花塞。

A. 对
B. 错

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热值高的火花塞称为热型火花塞。( )

A. 对
B. 错

热值低的火花塞称为冷型火花塞。( )

A. 对
B. 错

Software is the set of that tell a computer what to do.

A. tools
B. rules
C. symbols
D. instructions

Software can be categorized into two types: and.

A. bundled software,office software
B. package software,custom software
C. system software,application software
D. freeware software,public-domain software

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