A、triggerB、kitC、microprocessorD、integratedMost electron……

单项选择题The common input devices are the ( ) and the ( ).

单项选择题A computer must include three of following.Which one is not necessary?

单项选择题RAM is a( )storage.

单项选择题A ( ) is a collection of relation fields.

单项选择题Which of the following is not a format for a graphical image file?

单项选择题They fell in love ( ) the first sight.

单项选择题Xiaoming ()notes at the meeting.

单项选择题Am I supposed ( ) all the rooms or just this one?

单项选择题I always insist ( ) wholemeal bread.

单项选择题() they were eating, they discussed the website.

单项选择题He came () the violin.

单项选择题Jany was away () business.

单项选择题We () up this afternoon.

单项选择题I () to work by bus every day.

单项选择题Did you go swimming yeaterday?