——Jack, you seem to be _______.——Yes. It's 8: 20now and my train leaves in ten minutes.
A:in a hurry
B:in fear
C:in safety
D:in silence
比一比,再组词
蓝____ 萝____ 杨____ 挠____ 弯____
篮____ 箩____ 扬____ 绕____ 湾____
在二氯化铂的HCl溶液中,通入乙烯气体,再加入KCl可得KPt(C2H4)Cl3•H2O(蔡氏盐),相关表示正确的是( )