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【判断题】
任意一个一阶公式都存在唯一的与之等值的前束范式A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】“主要以农业、渔业、畜牧业、工业林业或化学工业的产品或半成品为原料,制造、提取、加工成食品或半成品,具有连续而有组织的经济活动工业体系。”是指?
A.
食物
B.
食品
C.
食品工业
D.
以上都对
【单选题】He asked the company _______ it was brave enough to publish his complaint.
A.
that
B.
if
C.
to
D.
which
【简答题】Steven Jobs was born in 1955. He was an American businessman and inventor. He was the co-founder and chief executive officer (CEO) of Apple Inc. In the late 1970s, Steve, with Apple co-founder Steve W...
【单选题】—Your brother was brave enough to tell the truth in public. ---Yes, and he will never regret_________ that. I admire him so much.
A.
to do
B.
to be doing
C.
to have done
D.
having done
【单选题】He was brave enough to _______ his mistakes.
A.
get away with
B.
own up to
C.
bring up
D.
see to
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