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【单选题】
Consumption of the total life-cycle effort in software maintenance is(28)that in software development.A.
less than
B.
larger than
C.
equal or less than
D.
equal or larger than
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【单选题】The little boy likes plane models very much. He wants to be a _______and fly a plane into the s
A.
230. The little boy likes plane models very much. He wants to be a _______and fly a plane into the sky when he grows up. A．driver
B.
pilot
C.
designer
D.
Producer