A.升高 B.下降 C.沒變化 D.穩(wěn)定
A.下降 B.穩(wěn)定 C.上升 D.較低
A.0.73%~4.61%;0.77%~3.89%;0.76%~3.34% B.0.50%~4.32%;0.75%~4.61%;0.76%~3.50% C.0.63%~4.66%;0.75%~4.71%;0.76%~3.34% D.0.75%~4.51%;0.78%~4.61%;0.76%~3.34%