For whom is the message intended？
A. The elderly.
B. Young couples.
C. Experts and specialists.
D. Readers in general.
The last paragraph but one centers around______.
A. how to offer your reliable assistance to your neighbors
B. distrust among people
C. the worsening social relationship
D. the attacks on children by strangers these days
Which of the following is NOT what Dr. Jeremy Joseph had expected before he started off for Zimbabwe？
A. Poor facilities and lack of medication in the developing countries.
B. So many patients prematurely blinded by cataracts.
C. He had to perform. so many cataract surgeries there.
D. The strong impact this expedition would have on his life.
Why do other problems such as glaucoma, corneal blindness, or retinal diseases remain untreated？
A. Because there are not enough ophthalmologists available.
Because these diseases are incurable.
C. Because the time for staying in one place is so limited.
D. Because money is lacking.
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