Computers can do nothing．But once ______what to do, they show extraordinary power to do a great deal．
#96065
A
to program
B
being programmed
C
programmed
D
having programmed
推荐题目
In some cities the traffic police use computers to keep the traffic________smoothly.
#88491
A
being run
B
run
C
to run
D
running
However, at times this balance in nature is disturbed, _______ a number of possibly unforeseen effects.
#92867
A
resulting from
B
resulting in
C
having resulted from
D
having resulted in
The split between humans and living apes is thought by some scholars ____ 15 to 20 million years ago.
#96013
A
to occur
B
occurring
C
to have occurred
D
having occurred
Misunderstandings ________ from lack of social communication, unless ________ properly, may lead to serious problems.
#89043
A
arisen; handling
B
arising; handled
C
rising; handled
D
risen; handling
Sir, do you have anything _________ this afternoon? If there is nothing to do, I wonder if I can ask for a leave．
#95732
A
typing
B
typed
C
to type
D
to be typed