悬式绝缘子的表示符号为()。
A.CD10—1
B.XP—7C
C.ED—3
D.P—15T
参考答案:B
People say it is Canada’s most beautiful city, _____ by mountains and the Pacific Ocean.
A.surrounding
B.surround
C.to surround
D.surrounded
某商场为减少库存积压,以每件120元的价格出售两件夹克上衣,其中一件赚20%,另一件亏20%,在这次买卖中商场是盈利还是亏损,或是不盈不亏?