单项选择题

The author implies that birds ______.

A．move faster and have greater endurance than reptiles
B．move slower and have less endurance than reptiles
C．move faster and have greater endurance than dinosaurs
D．move slower and have less endurance than dinosaurs

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单项选择题

One of the disadvantages of young adults returning to stay with their parents is that ______.

A．the young adults tend to be overprotected by their parents
B．most parents find it difficult to keep a bigger family going
C．there will inevitably be inconveniences in everyday life
D．public opinion is against young adults staying with their parents.

单项选择题

According to the passage what is the best for both parents and children

A．They should adjust themselves to sharing the family expenses.
B．Children should leave their parents when they grow up.
C．Adult children should visit their parents from time to time.
D．Parents should support their adult children when they are in trouble.