几何平均收益更多地被用来对将来收益率进行估计。（ ）
参考答案：错
Form the words. 看图，把字母组成一个与图相符的词。
1. 2. 3. 4.
biratb mseuo kyedno orhes
According to the latest research, getting enough sleep is _____ to maintaining good health and reducing stress.
A．essential
B．promising
C．special
D．sensible
2.
3.
4.