单项选择题

Machover's experiments on digital music are for the following purposes EXCET ______.

A．creation of new types of musical instruments.
B．participation of people in making music.
C．improvement of' current computer technology.
D．convenience in making unique musi

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单项选择题

The author thinks that if the Bill becomes law, its effect would be______

A．indirect.
B．unnoticeable.
C．apparent.
D．straightforwar

单项选择题

By quoting the growing percentage points of the aged in the population, the author seems to imply that______.

A．the country will face mounting problems of the old in future.
B．the social welfare system would be under great pressure.
C．young people should be given more moral education.
D．the old should be provided with means of livelihoo