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

People began to rely on the mouse for routine computer tasks ever since Stanford University invented computer mouse.()

A

 True

B

 False

C

 Not Given

According to the author, general computer users need not know how the computer mouse was invented.()

A

True

B

 False

C

Not Given

The computer mouse derives its name from the cable that goes out its body, which looks like the tail of a mouse.()

A

True

B

 False

C

Not Given

LED technology is widely used in various fields all over the world.()

A

 True

B

False

C

Not Given

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

A

True

B

False

C

 Not Given

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