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» The cinchona tree grows
in the rainforests of South
America. Its bark is used
in a medicine for malaria.

2 CHECK. Check () the statements that are true according to the article.

_____1. There is a large number of medicinal plants that you can find only in rainforests.

_____ 2. Researchers have studied most of the medicinal plants of the rainforest.

—____ 3. Scientists and healers work together to find and identify useful plants.

____ 4. Gervasio Noceda learned about plants in a medical library.

____5. The loss of rainforests in the future is a possibility.

3 DISCOVER. Complete the exercises to learn about the grammar in this lesson.

A Write the missing words in the sentences from the article in exercise 1.

1. Researchers also hope __tofind cures for cancer there.

2. The scientists want the healers____ them where plants are growing in the
rainforest.

3. The researchers often ask him —__a plant root called suruvi.

4. Scientists feel fortunate _______________ the benefit of the healers’ knowledge.

5. They need —_s*F—quickly, though.

B_ The verbs you wrote in exercise A are infinitives. Look back at the word that comes before
each infinitive. Write it in the chart. Then check () the correct column.

Adjective Noun Pronoun Verb
1. hope v

2
3
4.
5

UNIT6
LESSON
153
2
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