I _____ her not to walk on the thin ice but she would not listen to me.
| A．warned | B．persuaded | C．suggested | D．noticed |
______ people have become masters of their country ____ science can really serve the people.
| A．It is only then ;that | B．It is that;when |
| C．It is only when; that | D．It is when;when |
The government is trying to reduce people’s fear _________ they are likely to be affected by the nuclear radiation.
| A．whether | B．what | C．that | D．how |
Their house ______ mine in having no garage.
| A．different from | B．differs from | C．differs | D．differs with |
I _______ my success to my family’s support.
| A．devote | B．contribute | C．refer | D．owe |
It is _________ pleasant to take a crowded bus.
| A．by no means | B．by means of | C．by all means | D．by any means |