With the word“PM2．5"_____ appearing in media reports，people pay greater attention to it and seek health tips for smoggy days．
A．constantly B．instantly C．rarely D．directly
一What if you_____ to send an essay with your application?
一I would have been rejected．
A．forgot B．would forget C．had forgotten D．should forget
The government will begin a series of_____ to help the public fully understand the new educational system．
A．applications B．Presentations
C．traditions D．administrations
Just_____ those thoughts from your mind——they’re crazy and not worth thinking about．
A．cancel B．defend C．fire D．dismiss
As Britain’s first and only female Prime Minister, Thatcher was famous for her_____ style, and thus she was called the“Iron Lady”．
A．constant B．tough C．rough D．mild
Many plants could move northward and toward the Pacific coast_____ rising temperatures and changes in rainfall．
A．with regard to B．in defense of
C．by means of D．in reaction to
