题目内容
(请给出正确答案)
[主观题]
But competitive swimming is just over one hundred years old.(英译中)
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A.to swim
B.for swimming
C.to swim in
D.for swimming in
(73)
A. open
B. continue
C. dependent
D. reliable
(74)
A. recession
B. innovation
C. crisis
D. ability
(75)
A. help
B. server
C. value
D. policy
A.competitive
B.depressed
C.logical
D.critical
A.category
B.service
C.cost
D.quality
A.marginal cost > average cost = $16.67
B.marginal cost < average cost = $16.67
C.$16.67 = marginal cost = average cost
D.$16.67 = marginal cost > average cost