Page 14 - GEL 1103 เอกสารประกอบการเรียนบทที่ 2

English for Communication and Study Skills

Practices: Use the following underlined words as clues to write a
definition. Do not use your dictionary.

1. An invertebrate is an animal without backbone.
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2. The study of the origin of species is called evolution.
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3. Louis Pasteur is known as the person who discovered penicillin.
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4. Aspilia, a type of sunflower, can be used as a drug.
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5. Mycologist use a tool called microscope to see microorganisms.
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6. People who study of life and living organisms are called
biologists.
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7. Tropics refer to a region of the Earth surrounding the Equator.
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8. GMO may be described as genetically modified organism, is
any organism whose genetic material has been altered using
genetic engineering techniques.
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9. An apple a day keeps the doctor away is a proverb which means
that eating lots of apple will help keep you healthy.
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10. Valentine’s Day, also called Saint Valentine’s Day or the
Feast of Saint Valentine, is an annual holiday celebrated on
February 14.

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2) Synonym context clue

The author includes a synonym to help the reader understand the
meaning of a word.
A synonym is a word that means the same as or nearly the same as
another word.

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