金融衍生工具交易一般只需要支付少量的保证金就可以签约,这是()
A.跨期性
B.风险性
C.杠杆性
D.投机性
参考答案:C
连词组句。
1. do, when, you, up, get
___________________?
2. you, time, go, do, what, to, bed
_________________________?
3. time, what, does Alice, do, homework, her
__________________________________?
4. do, what, time, you, have, breakfast
______________________________?
5. when, go, do, you, to, school
___________________________?
标定氰化钾标准溶液时,指示滴定终点的指示剂为()。
A.试银灵
B.甲基橙
C.酚酞
D.铬黑T
E.钙试剂