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【判断题】
瀑布模型是以文档为驱动，不适合于软件需求明确的软件项目的模型。()A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】---The fire was finally ____. Unluckily, 11 people lost their lives in Puning Fire on March 26th. --- I hope the accident like this ____ happen.
A.
put out, not to happen
B.
put down, not happen
C.
put down, won’t happen
D.
put out, won’t happen
【单选题】Ninety-six people lost their lives in a plane crash on April 10 th , 2010, _________the Polish president and his wife.
A.
except
B.
beyond
C.
between
D.
including
【单选题】Some people were born with an unfailing sense of direction. Even when lost in a forest, they find their way home as surely as a dog picks up the scent of a hunted man. The secret is probably that they...
A.
like
B.
as
C.
unlike
D.
alike
【简答题】有一高增益的放大器,现加入了电压串联负反馈,已知反馈系数为 F = 0.1 ,则可估算其电压增益约为 。
【简答题】由于人员推销是一个推进商品交换的过程，所以买卖双方建立友谊、密切关系是公共关系而不是推销活动要考虑的内容。( )
【简答题】Fifty years ago, wealthy people liked hunting?Fifty years ago, wealthy people liked hunting wild animals for fun ____________ sightseeing. A) rather than to go B) more than going C) other t...
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