【简答题】__________,是将化学灭火剂喷人燃烧区参与燃烧反应,中止链反应而使_______反应停止。采用这种方法可使用的_______有干粉和卤代烷灭火剂。灭火时,将足够数量的灭火剂准确地______到燃烧区内,使_______阻断燃烧反应,同时还要采取________措施,以防复燃。
【单选题】How about ____ shopping this afternoon? [ ]
【单选题】“How about _________ out for a walk ?” “That would be great.”
【单选题】-_________does it take to go there by bike? -About twenty minutes. [ ]
【单选题】How about _____ to the cinema on Saturday? [ ]
【单选题】He is such a busy man that it’s hard for him to________ enough time to meet us at the airport.
【单选题】How about ____?
B.
go swimming in the river
C.
visiting the sick children in the hospital
D.
to having lunch in the restaurant
【单选题】How about _______ out for a walk? [ ]