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问题
单项选择题
建设项目策划是指( )。
A．项目决策策划
B．项目实施策划
C．项目运营策划
D．以上均正确
答案
参考答案：D
选择题
—Your brother has made great progress.
—_______, and _______.
A．So has he; so have you
B．So he has; so you have
C．So has he; so you have
D．So he has; so have you
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判断题
碱性焊条收弧时不宜采用反复断弧收弧法。
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