You will hear a talk. As you listen, answer Questions 1 to 5 by writing T (for True) or F (for False). You will hear the talk ONLY ONCE. Old people should eat more chicken and fish to keep fit.

Only about 15 of those over 75 become senile.

判断题Only about 15 of those over 75 become senile.

A much more common problem with the old people"s health...

判断题A much more common problem with the old people"s health is that old people often take too many drugs.

Where are Vitamins found when neededA．Foods.B．Chemical....

单项选择题Where are Vitamins found when needed