问题
单项选择题
硫化亚铁钝化是利用硫化亚铁的()
A、较强活性和被鳌合能力
B、较强氧化性
C、较强还原性
D、较易溶于水
答案
参考答案:A
硫化亚铁钝化是利用硫化亚铁的()
A、较强活性和被鳌合能力
B、较强氧化性
C、较强还原性
D、较易溶于水
参考答案:A
Accident Report Form
A.At 9:30 am B.At 9:30 pm C.At 9:40 pm 小题2:How many people were trapped in the car? A.One B.Two C.Three 小题3:Whose left leg was hurt? A.Mrs Green’s B.Mr Green’s C.Mrs Green’s daughter’s. 小题4:How was the weather that day? A.It was sunny B.It was snowy C.It was rainy. 小题5:Which of the following is TRUE? A.The car crashed into a wall. B.The policemen arrived half an hour later and sent the victims to the hospital. C.The car accident happened on Zhongshan Road in Harbin. |