The word "This" (Line 2, Para.4) refers to______.
A. some force
B. traffic jam
C. the force that causes offices to move in or out
D. the fact that companies gather in big cities
查看答案
According to the passage, which of the following is NOT true？
A. Computers began to be used in 1946.
B. Computers can add, subtract, multiply and divide.
Computers were widely used during World War II.
D. No human being can work as fast as a computer.
A．put upB．came upC．made upD．set up
A. put up
B. came up
C. made up
D. set up
Electronic computers were given the name in the beginning just for the simple reason that______.
A. they could do computations
B. they could work much faster than human beings
C. they looked like an abacus
D. they could remember data quickly
A．belowB．onC．inD．to
A. below
B. on
C. in
D. to
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