——She's seldom asked to do housework at home, she?—— . Her parents are very busy with their work, so she has to do the laundry every day.
A：has; Yes
B：hasn't; No
C：is; Yes
D：isn't; No
为解决登山人员的呼吸困难，需提供的物质是____。
陈洪一天晚上9点半从学校自习回家，一打开家门，就闻到一股很浓的煤气味，她想到有可能是自己家里的煤气罐漏气了，于是陈洪同学就 （ ） ①迅速打开电灯 ②迅速找块湿毛巾捂住自己的鼻子 ③迅速打开窗户 ④想办法迅速关好煤气罐的开关后跑到房子外面 ⑤赶快用家里的电话告诉父母，然后在家里等父母回家处理。
