A.1%-3% B.3%-5% C.8%-10% D.3%-6%
A.55% B.30% C.75% D.45%
A.低于50% B.低于90% C.50%±5% D.不低于50%
A.一個月 B.三個月 C.六個月 D.一年
A.≥80% B.≥84% C.≥88% D.≥90%