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【多选题】
在真值函项逻辑中,真值表可用于检验( )。A.
蕴涵式是否成立
B.
论证是否有效
C.
真值函项是否等值
D.
真值函项是否是重言式
E.
真值函项是否是矛盾式
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举一反三
【简答题】Amanda wasn't feeling well that day but she performed in the play with her ________ ease.
【单选题】Jane______ dance at the age of ten,but now she dances well.( )
A.
can't
B.
wasn't able to
C.
is able to
D.
Could
【单选题】With so much noise outside, the students can’t _____ their homework.
A.
concentrate on
B.
depend on
C.
keep on
D.
put their hands on
【简答题】SKATER BOY He was a boy. She was a girl. Can I make it any more _______. He was a punk. She did ballet. What more can I say. He wanted her. She'd ________ tell secretly she wanted him as well. But all...
【单选题】Luisa said she wasn't feeling well, so I assume she's not going out tonight.
A.
take or begin to have power or responsibility
B.
think or accept that sth is true but without having proof of it
【单选题】Which fallacy is at work in the following? "Ms. Turnier gave me extra homework for running in class. She has a rule against it. But I told her, 'I wasn't running, I was walking. One foot was in front ...
A.
line-drawing fallacy
B.
poisoning the well
C.
slippery slope
D.
begging the question
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