β系数是反映个别股票相对于平均风险股票变动程度的指标,它可以衡量个别股票的全部风险。 ( )
参考答案:错
解析: β系数是度量股票系统风险的指标,并不是反映股票全部风险的。
先阅读,再判断。(对的写“T”,错的写“F”。)
I'm Ben. I'm a boy. I get up at six. I go to school at seven. I have four lessons (课) in the morning.
I go home at four. I like reading books. How about you?
( )1. The girl's name is Ben.
( )2. Ben goes home at five.
( )3. Ben likes reading books.
( )4. Ben has six lessons in the morning.
将题1-15图电路化简成电压源和电阻相串联的电路是图()。
A.A
B.B
C.C
D.D