低压电气设备停电后,只要用验电器验电,氖泡不亮就肯定是无电。()
参考答案:错
________of the people on the Net ________China's economy is among the strongest in the world.
A.Four fifth; believes
B.Four fifth; believe
C.Four fifths; believe
D.Four fifths; believes
若认为职位供需比介于1-2之间的专业,其供需结构较为稳定,则图中满足这一条件的专业个数为( )。
A.1
B.2
C.3
D.4