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【单选题】
若 p 是真命题, q 是假命题。以下四个命题:1 p 且 q ;2 p 或 q ;3非 p ;4非 q. 其中假命题的个数是( )A.
1
B.
2
C.
3
D.
4
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举一反三
【单选题】The concept of "American Dream" is associated with which of the following terms?
A.
opportunity
B.
equality
C.
freedom
D.
all of the above
【简答题】路由器有哪三种上网方式
【简答题】路由器有____、____、____三种主要功能
【单选题】Policeman James left the station just after 8:30 a. m. on Sunday July 5. He had spent a quiet night on duty and was looking forward to his rest day. As usual he took a short cut down the path behind D...
A.
He usually discovered something suspicious along that way.
B.
He had an appointment with a man at Number 25, Dugby Road.
C.
He chose to go that way by chance.
D.
He knew he would get home quicker that way.
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