More than half of both males and females report having had sex by age

Research suggests that older people _____ to use hearing aids.

A) love B) are often reluctant C) are thrilled D) never want

Which of the following statements about in vitro fertilization is true?

A) About 10 percent of American babies are conceived through this technique. B) It cannot be performed on women whose fallopian tubes have been damaged. C) Doctors are required to keep records of the characteristics of sperm donors. D) The success rate of in vitro fertilization declines steadily with age.