问题
选择题
— I can't find my _____________.
— You're wearing them.[ ]
A. books
B. boots
C. dress
答案
答案：B
搜题请搜索小程序“爱下问搜题”
— I can't find my _____________.
— You're wearing them.[ ]
A. books
B. boots
C. dress
答案：B
观察到任何明显现象；
④向含足量镁粉的液溴中滴加几滴水，观察到溴的红棕色很快褪去。则下列关于镁与溴水的反应机理的论述中正确的是[ ]