单项选择题

Wealth doesn't assure one of long-term pleasure because______.

A．they don't know what to do with the money
B．they are not good at using the money
C．they generally expect more pleasure than money can bring
D．they arc not content with the wealth

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热门试题

单项选择题

Attempts to make artificial organs fail because______.

A．it is difficult to make artificial organs as natural as body organs
B．it is difficult to imitate the human world
C．the production process is complicated
D．the production is limited by nature

单项选择题

Which of the following is NOT a limitation of organ transplantation

A．The organ donor must be young enough.
B．The organ donor must be healthy enough.
C．The organ donated must deserve transplanting.
D．The organ donated must be removed from one body.