1 . He then proceeded to smile brightly, ______and thanked the newsstand owner for the newsstand’s being open on such a morning.

A．processed

B．managed

C．pretended

D．continued

2 . Before that time I also kept physically active by training moderately hard_____.

A．overly

B．reasonably

C．blindly

D．positively

3 . However, once the ability to record sound was invented, music players_____ underwent a series of rapid changes.

A．passed

B．conducted

C．experienced

D．recommend

4 . Donald J. Trump is _____: the very definition of the American success story.

A．a millionaire

B．an idol

C．a statesman

D．a portrait

5 . There are two methods of______ manufacture: one uses scissors, the other uses knives.

A．creation

B．production

C．instruction

D．demonstration