2019年科普科教类高中英语阅读理解专题训练（附详解答案）

2019年科普科教类高中英语阅读理解专题训练 1.  Age plays a major part in people who are infected with cold,ie,in people who suffer from cold infection.A study done by University of Michigan,has shown information that seems to be true for the general population.Babies are the most cold infected group,generally more than six colds in their first year.Boys have more colds than girls up to the age of three.After three,girls are easier to get infected with cold than boys,and teenage girls get three colds a year to boys' two.The general cold infections continue to get less into adults.Elderly people who are in good health have as few as one or two colds every year.One interesting thing is found among people in their twenties,especially women,who show a rise in cold infection,because people in this age group are most likely to have young children.     The study has also found that economy plays an important role as well.With more and more income,the frequency at which colds are reported in the family is get