How often should women between the ages of 45 and 50 have a mammography？
A: every two years
B: once a yea
C: twice a yea
D: once a month
A: every two years
B: once a yea
C: twice a yea
D: once a month
举一反三
- According to the passage, how often do some departments change the locations of goods?() A: never B: once or twice a month C: once or twice a year D: any time you like
- Notices to Mariners are published ___. A: every day B: every week C: every month D: every yea
- How often does Billy meet his cousins? A: Once a month. B: twice a year. C: Once a year.
- — How often do you eat out? A: Have no idea B: Once a month C: As usual D: Generally speaking
- How often did Mike go to the barber's? () A: Once a day B: Twice a month C: Three times a week D: Four times a year