16.

  1. White blood cell count.
  2. Red blood cell count.
  3. X-ray.
  4. ECG.

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17.

  1. Too much work to do.
  2. A heavy load of studying.
  3. Her daughter's sickness.
  4. Her insufficient income.

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18.

  1. Leukemia.
  2. Gastric ulcer.
  3. Immune disease.
  4. Gastric influenza.

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19.

  1. Take the white tablets three times a day.
  2. Take the charcoal tablets three times a day.
  3. Take one or two white tablets at a time.
  4. Take two charcoal tablets a day.

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20.

  1. Stay off work.
  2. Drink plenty of liquids.
  3. Eat a lot of vegetables and fruit.
  4. Postpone your exercise when sick.

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W:Here is my result, doctor.
M:Have a seat, and let's have a look. Well, your ECG is perfectly normal, and there is no problem with your X-ray, either. But your white blood cell count is rather high, which is what I expected, and it shows your body is fighting the virus.
W:Is there anything here I can do so that I can feel better, doctor? I am really busy at work this week. And I have a lot of stuff to do, but I don't feel up to it. Also my daughter is studying bad and she is sick ...
M:Don't worry. It's just against the feel. But I will give you some medicine for it to make you feel better. Three times a day take the white tablets as directed on the label after meals. And for the charcoal tablets, take one or two depending on how suitable your bowels are.
W:Is there anything else I can do, Doctor Hunt?
M:I know you are busy, but you really shouldn't go to work. However, that's up to you. Rest as much as possible, drink plenty of liquid, and eat plenty of vegetables and fruits. Remember, an apple a day keeps the doctor away. If there is no improvement after three days, come back and see me again.
W:Thank you, doctor.