It was strange to feel my past life almost __6__ away as I entered this brand-new phase of my life. I didn’t know how to __7__ myself during my first couple of months at Penn because everything that defined me was back in California. I felt __8__ from my college friends because they only knew the college me. How could they really know me without knowing what Mission Boulevard looked like late at night with the Niles hills in the background? How could they know me without knowing the friends who I had __9__ to Japan with or the friends I had gone to school with since kindergarten? How could they know me if they hadn’t met my family? How could they know me, or I them, if we didn’t know one another’s __10__ experiences?
A. drop B. journeyed C. unique D. define
E. complex F. realizing G. disconnected H. self-defining
I. drifted J. lying K. transition L. adjusted
M. fast-moving N. transported O. lack
下列关于同分异构体判断正确的是( )
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【填空题】Most systems are constructed around a (1), a metal (2) containing a series of slots linked through a (3), to a 16- or 32-bit processor. Memory is added by plugging a (4) board into one of the open slots. Without input and (5), the computer is useless, so a display (6) is plugged into another (7), and a display unit connected to it. A (8) is plugged into a special slot on motherboard. A printer can be attached through a (9) interface. And if a diskette interface is plugged into an open slot, a diskette drive can be added. At this point, you have got a complete (10) system.
设A与B是两个随机事件,已知P(A)=0.4, P(B︱A)=0.4,=0.5, 则P(B)=0.9.
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