题目

The key components of a computer mouse are the two LED.()

A

True

B

False

C

 Not Given

考点:阅读判断

利用题干句中的特征词 two LEDs搜索原文,发现他们出现在原文第三段后半部分内容是关于两个发光二极管在鼠标中的具体工作方式。第三段说道:鼠标的部件有滚动部件如滚球,还有光电装置如二极管等。二极管将光信号转换为电信号,传送到计算机,计算机根据收到的电信号作出相应的反应,因此,二极管是鼠标的主要部件,而滚轮等只是辅助性的机械部件。题干句对短文信息的推断是正确的。

多做几道

The key components of a computer mouse are the two LED.()

A

True

B

False

C

 Not Given

When an ordinary computer mouse get dirty, it has to be replaced with a new one.()

A

True

B

 False

C

Not Given

The most durable computer mice on sale are the IBM ones.()

A

True

B

 False

C

 Not Given

The optical mouse is superior to the basic in that the former has no moving parts.()

A

True

B

 False

C

 Not Given

The Channel Tunnel was closed for 10 hours after the earthquake occurred.()

A

True

B

False

C

Not Given

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