A:衣服上沾有大量浓氢氧化钠溶液,需将此衣服浸没在盛有水的盆中反复换水冲洗
B:浓硫酸溅到皮肤上,立即用大量水冲洗,再涂上3%﹣﹣5%的碳酸氢钠溶液
C:不慎将酸液溅到眼中,应立即闭住眼睛,流出眼泪将酸液带出
D:稀释浓硫酸时,应把浓硫酸慢慢注入盛有水的量筒中
下列动物中,与水螅亲缘关系最近的是( )
—He rode a bike.
- Tom, you look tired this morning. What's wrong?
- I was busy and I didn't go to bed _________ 12 o'clock last night