【多选题】【消耗次数：1】
目前的鼠标按其工作原理可分为下面的（ ）。
①
机械鼠标
②
光电鼠标
③
激光鼠标
④
轨迹球鼠标
参考答案：
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相关题目
【简答题】
按鼠标的构造划分，可将鼠标分为机械式鼠标、[填空]、轨迹球鼠标。
【单选题】
AutoCAD中，使用鼠标选择图形对象时，（）
①
直接用鼠标可选取多个图形对象
②
必须按下Ctrl键用鼠标选取多个图形对象
③
必须按下Ctrl键用鼠标去除已经选择的图形对象
④
不按下Shift键用鼠标可以去除已经选择的图形对象
随机题目
【单选题】
The Smith family will have gone ______ by the time we finish summer school.
①
camp
②
camps
③
camping
④
camped
【单选题】
As it turned out to be a small house party, we___ so formally.
①
need not have dressed up
②
must not have dressed up
③
did not need to dress up
④
must not dress up
【单选题】
We have been hearing ______ accounts of your work.
①
favoured
②
favourable
③
favorite
④
favouring
【单选题】
The train______she was traveling was five minutes late.
①
that
②
which
③
on that
④
on which
【单选题】
The old men who gave away lots of money ______ highly of at yesterday’s meeting.
①
spoke
②
spoken
③
was spoken
④
were spoken
【单选题】
Once a picture is proved to be a forgery, it becomes quite ___.
①
invaluable
②
priceless
③
worthless
④
valuable
【单选题】
I’ll never forget the days ______ we spent together in the country.
①
which
②
on which
③
when
④
on that