(B) Osteoporosis is also called “the silent thief.” This is because people are often not ___(21)___ it until they
have broken their bones. People with osteoporosis are likely to break their bones in situations ___(22)___ healthy
people wouldn’t, such as changing clothes. In Taiwan, for people over the age of 65, the disease is ___(23)___ 3,500
hip fractures in women and 2,500 in men every year. Data also indicates that 15% of women and 22% of men of this
age die within a year of fracturing a bone. You might think osteoporosis is so far off ___(24)___ you don’t need to
pay attention to the intake of calcium. However, it is never ___(25)___ young ___(25)___ pay attention to your health.
You need calcium for your future health, and you need it to help your body function now.
【題組】22. (A) which (B) what (C) where (D) when