[单项选择]Another critical factor that plays a part in susceptibility to colds is age. A study done by the University of Michigan School of Public Health revealed particulars that seem to hold true for the general population. Infants are the most cold-ridden group, averaging more than six colds in their first year. Boys have more colds than girls up to age three. After the age of three, girls are more susceptible than boys, and teenage girls average three colds a year to boys’ two.
The general incidence of colds continues to decline into maturity. Elderly people who are in good health have as few as one or two colds annually. One exception is found among people in their twenties, especially women, who show a rise in cold infections, because people in this age group are most likely to have young children. Adults who delay having children until their thirties and forties experience the same sudden increase in cold infections.
The study also found that economics plays an imp
A. Minor errors.
B. Specific facts.
C. Small distinctions.
D. Individual people.

更多"Another critical factor that plays "的相关试题:

[单项选择]Another critical factor that plays a part in susceptibility to colds is age. A study done by the University of Michigan School of Public Health revealed particulars that seem to hold true for the general population. Infants are the most cold-ridden group, averaging more than six colds in their first year. Boys have more colds than girls up to age three. After the age of three, girls are more susceptible than boys, and teenage girls average three colds a year to boys’ two.
The general incidence of colds continues to decline into maturity. Elderly people who are in good health have as few as one or two colds annually. One exception is found among people in their twenties, especially women, who show a rise in cold infections, because people in this age group are most likely to have young children. Adults who delay having children until their thirties and forties experience the same sudden increase in cold infections.
The study also found that economics plays an imp
A. minor diseases other than colds
B. the recommended treatment of colds
C. a factor that affects susceptibility to colds
D. methods of preventing colds among elderly people

查看答案

[单项选择]

Another critical factor that plays a part in susceptibility to colds is age. A study done by the University of Michigan School of Public Health revealed {{U}}particulars{{/U}} that seem to hold true for the general population. Infants are the most cold-ridden group, averaging more than six colds in their first year. Boys have more colds than girls up to age three. After the age of three, girls are more susceptible than boys, and teenage girls average three colds a year to boys’ two.
The general incidence of colds continues to decline into maturity. Elderly people who are in good health have as few as one or two colds annually. One exception is found among people in their twenties, especially women, who show a rise in cold infections, because {{U}}people in this age group{{/U}} are most likely to have young children. Adults who delay having children u
A. minor diseases other than colds
B. the recommended treatment of colds
C. a factor that affects susceptibility to colds
D. methods of preventing colds among elderly people

查看答案

我来回答:

提交