已知（x+i）（1﹣i）=y，则实数x，y分别为[ ]
A．x=﹣1，y=1
B．x=﹣1，y=2
C．x=1，y=1
D．x=1，y=2
答案：D
[ ]
Having introduced the new equipment, the company turned out ________ in 2008 as the year before. [ ]
A. as three times cars
B. three times as many cars
C. as many cars as three times
D. three times more cars than
