Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word(s) for each of the following blanks .
Health is something we tend to (1)___ when we have it. When our body is doing well, we are hardly (2)____ of it. But illness can come, even (3)_____ we are young. In fact, childhood has been a very susceptible time. Many diseases attack children in particular, and people know very little (4)______ to cure them once they struck. The result was that many children died. About a century ago, (5)_________, scientists found out about germs, and then everything changed. The (6)_____ of many diseases was found, and cures were developed. As this medical discovery spread, the world became (7)______ safer for children. The result is that (8)_________ a hundred years ago, the average man lived for 35 years, nowadays, in many areas of the world, people can (9)______ to live for 75 years. And what do we expect by the year 2020 ? Undoubtedly, medical science will continue to (10)______. Some people will be able to avoid medical problems that are unavoidable today.
A.throw away
B.ignore
C.give up
D.forget