19. A) Because they are not accustomed to it.

   B) Because they are not psychologically prepared for it.

   C) Because their genes differ from those who have been tested for it.

   D) Because they are less sensitive to it than those who have been tested for it.

20. A) They will have to take ever larger doses.

   B) They will become physically impaired.

   C) They will suffer from minor discomfort.

   D) They will experience a very painful process.

Part II            Reading Comprehension           (35 minutes)

Directions:  There are 4 passages in this part. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A), B), C) and D). You should decide on the best choice and mark the corresponding letter on the Answer Sheet with a single line through the centre.

Passage One

Questions 21 to 25 are based on the following passage.

     I had an experience some years ago which taught me something about the ways in which people make a bad situation worse by blaming themselves. One January, I had to officiate at two funerals on successive days for two elderly women in my community. Both had died "full of years," as the Bible would

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