【单选题】Kate asks questions about the director. What mistake does she make?
A.
She thinks the director is a woman.
B.
She thinks the director is a family member.
C.
She thinks the director is a man.
【单选题】某溶液的氢离子活度为1×10-9mol/L,其pH值应为9,pOH值应为( )。
【单选题】法定盈余公积金按照税后利润扣除前两项的10%提取,当累计达到注册资本的( )时可不再提取。
【单选题】She admired the director to such an extent that she took his words as____oracles.
【多选题】某溶液的氢离子活度为1×10-9mol/L,其pH值应为 ,POH值应为 。
【简答题】利用液体导电原理,用电极探测是否有水存在。A. 无线漏水传感器 B.人体红外探测器 B. 烟雾传感器 D.可燃气体传感器
【单选题】( )利用液体导电原理,用电极探测是否有水存在。
【简答题】法定盈余公积金按照_______扣除______________后的10%提取。
【简答题】A.She is the director of the group. B.She is playing the piano. C.She is playing the violin. D.She is playing the bass.