1 . Many questions _________ at the meeting, but he answered none.

A．raised

B．were risen

C．came up

D．asked

2 . The computer system _________ suddenly while he was searching for some important international news .

A．broke down	B．broke out
C．broke up	D．broke in

3 . —Please ______ us in the discussion.
—I’d like to, but I have a meeting to ______.

A．join; attend	B．attend; join
C．attend; take part in	D．take part in; attend

4 . Try to_____ at least an hour each day for learning English and you’ll make progress.

A．set about	B．set against
C．set aside	D．set apart

5 . I like taking risks, too. I suppose it ______ in the family.

A．jumps

B．walks

C．runs

D．keeps

6 . It’s hard to tell real Jingdezhen vases, and it’s a little more difficult for the untrained shopper to______.

A．dismiss

B．distinguish

C．seek

D．shelter