A.条件(1)充分,但条件(2)不充分.B.条件(2)充分,但条件(1)不充分.C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.D.条件(1)充分,条件(2)也充分.E.条件(1)和(2)单独都不充分,条件(1)和条件(2)联合起来也不充分. 直线ax+by=3和圆x2+y2=3没有交点. (1)点P(a,b)在圆x2+y2=3的外面; (2)点P(a,b)在圆x2+y2=3上.
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在“网络连接”窗口中,利用“信息区”创建一个名称为“拨号上网”的拨号连接,拨号时先拨0,再拨16300,用户名为“abc”,密码为“123”,其他为默认。
When is their flight When is their flight
A. In the morning.
B.In the afternoon.
C. In the evening.
By contrast, American mothers were more likely____________________(把孩子的成功归因于) natural talent.
Why was Bill unhappy about the game Who cheered for the Tigers
A. Steve.
B.Bill.
C.Eric.