社会生产力发展水平和发展状况的主要标志是科学技术。
参考答案：错
. Recently a terrible earthquake happened in Sichuan, ____the people are still suffering.
A．from their effects
B．of which effects
C．of its effects
D．from whose effects
“见尿补钾”，补钾的最大滴速不宜超过（）
A.40mmol/h
B.35mmol/h
C.30mmol/h
D.25mmol/h
E.20mmol/h
