In our class, when the bell rang and the teacher closed his book, it was a () for everyone to stand up.

单项选择题The computer revolution may well change society as () as did the Industrial Revolution.

A．certainly
B．insignificantly
C．fundamentally
D．comparatively

单项选择题The machines are made ()at full speed.

A．work
B．working
C．to work
D．to be worked

单项选择题The dictionary is what I want, but I don't have enough money()me.

A. by
B. for
C. in
D. with

单项选择题—Do you like the place of interest —On the contrary,it's the()place that I want to visit.

A. worst
B. last
C. best
D. latest

单项选择题When I talked with my grandma on the phone, she sounded weak, but by the time we () up, her voice had been full of life.

A. were hanging
B. had hung
C. hung
D. would hang