第3题
What main advantage do cellular plastics offer?
A.Reduced density B.Improved crystallinity
C.Greater density D.Improved strength
第4题
What is the main idea of the passage?
A.The application of computer in the government management.
B.The general introduction of e-government and its characteristics.
C.The comparison between e-government and e-commerce.
D.The e-Democracy in the government environment.
第7题
What is the main idea of the passage?
A.Give instructions on calling for help.
B.Partly-learned information is useless.
C.Teach children how to deal with emergencies.
D.Keep what children learn within their abilities.
第8题
第9题
What is the speaker's main point?
A.Animals yawn for a number of reasons.
B.Yawning results only from fatigue or boredom.
C.Human yawns are the same as those of other animals.
D.Only social animals yawn.