Kyoko is 13 months old and can understand about 50 words but can say only about 10 words. This demonstrates how Kyoko's vocabulary is more developed than her vocabulary.

kenny´s more than 25 years of relevant public service. in the army for two decades, as official representative for four years, and now for the department of state, as ambassador. this career clearly demonstrates great capacities in the public sector.

a)   it explains that many people died because medicines and medical practices were not effective.

see explanation.

explanation:

1. buoyant: happy and confident (e)

2. euphoric: in a state of great happiness (a)

3. jubilant: having a feeling of great happiness and excitement (b)

4. rapturous: feeling or expressing great joy (d)

*note that the difference in 1-4 can be shown by signal words such as "in a state of" for the term "euphoric," as "euphoric" would describe a state of euphoria.

5. untroubled: calm and tranquil (c)

6. cajole: to talk coaxingly and flatteringly (i)

7. harangue: to express oneself at considerable length (h)

8. quibble: to evade the truth of the point at issue by arguing over trifles (g)

9. whine: to complain in a childish, fretful manner and in a nasal tone (j)

10. rant: to talk bombastically (f)