下列说法中错误的是 [ ]
A.眼睛能看到成在光屏上的像
B.有的虚像看的见,有的虚像看不见
C.眼睛可以直接看到凸透镜所成的实像
D.眼睛既能看到实像,也能看到虚像
B
To comply with the Global Investment Performance Standards (), which of the following accounts a firm claiming compliance should include when building a composite for performance()
A. non-fee-paying accounts.
B. terminated accounts.
C. non-discretionary accounts.
碳素结构钢抗拉强度的修约间隔为()。
A.0.1MPa
B.1MPa
C.5MPa
D.10MPa