1. The top leaders of the two countries are holding talks in a friendly________.
A．atmosphere B．state
C．situation D．phenomenon
2.Doctors always tell us that drinking too much________our health，but some people don’t care.
A．is harm to B．does harmful to
C．is harmful to D．do harm to
3. People try to avoid public transportation delays by using their own cars，and this________creates further problems.
A．in short B．in case
C．in doubt D．in turn
