(Alcoholics) have a death rate nearly three times more than (the general population); they are (seven times) more likely than non-alcoholics to (suffer) fatal accidents.

单项选择题The passage tells us that the best time for a child to learn languages is （）.

A．before seven years old
B．from birth to three years old
C．in his childhood
D．in his teens

单项选择题What is the author’s attitude towards the change（）

A．She was indifferent to the changes.
B．She preferred the past to the present.
C．She was amazed at the changes.
D．She believed that the changes were goo