填空题as an hour — 改成whereas／while

单项选择题A．pressure from work can be reduced.B．working women can have more time at home.C．traffic and commuting problems can be solved.D．personal relationships in offices can be improved.

单项选择题A．will end all other related trade conflicts.B．is unlikely to solve the dispute once and for all.C．is linked to other trade agreements.D．is the last of its kind to be reached.

填空题and more — 改成or

单项选择题A．oxygen.B．ancient weather.C．carbon dioxide.D．temperature.