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【单选题】
相对于轮胎式推土机,下面属于履带式推土机特点的是( )。A.
爬坡能力强
B.
行驶速度髙
C.
作业循环时间短
D.
运输转移不损坏路面
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举一反三
【单选题】LEARN KEY SKILLS FOR YOUR COMPUTER - ON YOUR COMPUTER? Computers are now as commonly used in business as the telephone. Therefore, it's important that people know how to use (29) efficiently. Now, you...
A.
them
B.
it
C.
they
【简答题】大气压是由于______而产生的，大气压随海拔高度的变化而变．随着海拔的升高大气压强将______，随着海拔的降低，大气压强将______．液体的沸点随大气压强的降低而______．
【单选题】— Is this _____ computer? — Yes, _____ is ______ computer. [ ]
A.
his; it; me
B.
your; this; my
C.
your ; it ; my
D.
you ; it ; my
【单选题】If you leave your computer turned on, what may happen?
A.
Your computer will break down.
B.
Your computer will be physically accessible to visitors.
C.
Your computer will be stolen.
D.
Your computer can’t be used.
【单选题】-Is this ________ computer game? -Yes, _______ is _______ computer game. [ ]
A.
his; it; me
B.
your; this; his
C.
your; it; my
D.
you; it; my
【简答题】A computer virus is a program or piece of code that is loaded onto your computer without your knowledge and runs against your wishes. All computer viruses are manmade. Here are some virus prion t...
【单选题】______ notebook and report that I promised you last week.
A.
Here is the
B.
Here are the
C.
Is here the
D.
Are here the
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