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【简答题】
已知命题p：?a 0 ∈R，曲线x 2 ＋ ＝1为双曲线；命题q：x 2 －7x＋12<0的是{x|3 ①命题“p∧q”是真命题； ②命题“p∧ q”是假命题； ③命题“ p∨q”是真命题； ④命题“ p∨ q”是假命题． 其中正确的是________(填序号)．
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举一反三
【单选题】Mr. Smith asked Nancy ____ it took her to fly to New York. [ ]
A.
how soon
B.
how often
C.
how long
D.
how far
【单选题】—Mr. Jiang, long time no see. How are you? —Fine, thanks. How are you______your teaching?
A.
getting well with
B.
getting across
C.
getting together
D.
getting on with
【单选题】—______will Mr. Green be back ? —In a week, I think .
A.
How often
B.
How many
C.
How soon
D.
How long
【简答题】How long is the paid education leave that Mr. Chang plans to have?
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