【单选题】【消耗次数:1】
He is writing his stories ___________ Monday___________Friday.
both...and
either...or
from...to
between...and
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相关题目
【单选题】 19. He tried to _____ from his memory what he knew of his former neighbor..
①  think of
②  remember
③  summon
④  gave way
【单选题】 He []from his seat to greet the guests.
①  rose
②  raised
【单选题】 He made a quick _____from his illness.
①  relief
②  recovery
③  survival
④  relaxation
【单选题】 His decision was ____, since he could not see the action from where he was standing.
①  arbitrary
②  ordinary
③  casual
④  accurate
【单选题】 23. Realizing that he hadnt enough money and ______ to borrow from his father, he decided to sell his watch.
①  not wanted
②  not to want
③  not wanting
④  . wanting not
【单选题】 The epic Paradise Lost is based on the stories from _______.
①  The New Testament
②  The Old Testament
③  The Ancient Greek Myths
④  The Ancient Roman Myths
【单选题】 He was totally not aware when the thief _____ his wallet from him.
①  tricked
②  stole
③  robbed
④  deceived
【单选题】 _________hand in his exercise-book before Monday?
①  Need he to
②  Does he need
③  Needs he to
④  Need he
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①  that
②  which
③  the one
④  who
【单选题】 The reason __he was absent from the meeting was _his car broke down on the way.
①  that; because
②  why; that
③  that; that
④  for; that
随机题目
【多选题】 公式“? (p?q)”的主析取范式中极小项下标有:
①  0.
②  1.
③  2.
④  3.
【多选题】 设前提: (púq) ? (rùs), (sút) ?u. 则下面哪些不是其有效的结论:
①  rùs
②  u.
③  u?p
④  p?u
【多选题】 令 F(x): x 是角, H(x, y): x 和 y 是相等的, L(x, y): x 与 y 是对顶角,则命题“相等的两个角未必都是对顶角”符号化不正确的有:
①  $x(F(x) ù ($y(F(y) ù H(x, y) ù ?L(x, y))).
②  xy(F(x) ù F(y) ù H(x, y) ? ? L(x, y))
③  $x(F(x) ù ($y(F(y) ù H(x, y) ? ?L(x, y))).
④  xy(F(x) ù F(y) ù H(x, y) ù ? L(x, y)).
【多选题】 将命题“小王学过英语和法语”用0 元谓词符号化合适的有:
①  令 F(x): x 学过英语; G(x): x 学过法语; a: 小王. 符号化为F(a)ùG(a)
②  令 F(x): 小王学过x; a: 英语; b: 法语. 符号化为F(a)ùF(b)
③  令 L(x, y): x 学过 y; a: 小王; b1: 英语; b2: 法语. 则符号化为L(a, b1)ùL(a, b2).
④  令 P: 小王学过英语; Q: 小王学过法语. 符号化为PùQ。
【多选题】 下面关于集合的笛卡尔叉积,不正确的有:
①  若 A×BíA×C, 则一定有 BíC 成立;
②  (A∩B)×(C∩D)=(A×C)∩(B×D);
③  (A∪B)×(C∪D)=(A×C)∪(B×D);
④  (A-B)×(C-D)=(A×C) - (B×D)。
【多选题】 设前提: p??q, ?rúq, rù?s. 则下面哪些是其有效结论:
①  q
②  ?p.
③  ?q
④  p?q
【单选题】 用等值演算法判断公式“<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg /> (p<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge />q<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto />q)”的类型:
①  重言式
②  矛盾式
③  可满足式
④  无法确定
【判断题】 令 F(x): x 喜欢步行, G( x): x 喜欢骑自行车, H(x): x 喜欢乘汽车,令前提: x(F(x) ? ?G(x)), x(G(x) ú H(y)), $x?H(x),则 xG(x) 是其有效结论。
①  正确
②  错误
【判断题】 用真值表判断公式“p? (púqúr)”的类型为重言式。
①  正确
②  错误
【判断题】 用等值演算法判断公式“(p? (púq)) ú (p?r)”的类型为重言式。
①  正确
②  错误