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【简答题】
命题逻辑中六个逻辑联结词∧、∨、→、←、↔、¬,分别读作“合取”、读作“____”、“蕴涵”、“逆蕴涵”、“等值”、“并非”。
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【单选题】If money is ______ one wants most in his life, he is very likely to be unhappy.
A.
that
B.
what
C.
why
D.
how
【简答题】过火砖即使外观合格，也不宜用于保温墙体中，这主要是因为它的______性能不理想。
【单选题】-It seems that the manager is very unhappy -Surely he is. You see，Steve left the company half an hour ago，with his work_______.
A.
to leave unfinished
B.
was left finishing
C.
leaving to finish
D.
left unfinished
【简答题】过火砖,即使外观合格,也不宜用于保温墙体中,主要是因为其( )不理想。
【单选题】He is to play basketball，so he is unhappy.
A.
very short
B.
too short
C.
quite short
D.
so short .
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