单项选择题

Soap operas have helped in lowering Brazil's birth rate because ______.

A．they keep people sitting long hours watching TV
B．they have gradually changed people's way of life
C．people are drawn to their attractive package
D．they popularize birth control measures

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热门试题

单项选择题

How can a urine test show a patient may have a vitamin deficiency

A．A lot of vitamins are in the urine.
B．The body refuses to absorb vitamins.
C．Only a few vitamins passes through the body.
D．A lot of vitamins are taken in by the body.

单项选择题

According to the passage ,Brazil has cut back its population growth ______.

A．by educating its citizens
B．by careful family planning
C．by developing TV programmes
D．by chance