（）不能扑救钠、钾、铝、锂等碱金属及其氧化物火灾。
A.二氧化碳灭火器
B.金属火灾灭火器
C.卤代烷灭火器
参考答案：A
在同一地域范围内以改变“物”的存放、支承状态的活动称为（）
A．配送
B．装卸
C．搬运
D．运输
---It was really very kind of you to give me a lift home.
-----Oh, don’t mention it. I _____past your house anyway.
A．was coming
B．will come
C．had come
D．have come
-----Oh, don’t mention it. I _____past your house anyway.