The selection says that computers play an essential roles in ().
A. automation processes
B. mathematical computations
C. traffic control
D. the development of mathematical theory
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They are as closely related as the lips and teeth, so to speak.
2()
A. easy
B. short
C. high
D. difficult
Important ______ his discovery was, it was regarded as a matter of no account in his time.
A. to
B. for
C. though
D. although
I don"t think she"ll be upset, but I will see her in case ______.
A. she will
B. she does
C. she is
D. she would