Page 19 - GEL 1103 เอกสารประกอบการเรียนบทที่ 2

English for Communication and Study Skills

The Nile has two major tributaries, the White Nile and Blue Nile, The

White Nile flows through Tanzania, Lake Victoria, Uganda and South
Sudan. While The Blue Nile begins in

• Ethiopia and flows in Sudan and meet the White Nile at
capital of Khartoum.

Practices: Use description context clue to write a definition. Do
not use your dictionary.

1. Thongchai is a versatile singer. For example, he can sing jazz,
rock ‘n’ roll and even be an actor.
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2. Marine mammals, such as seals, whales, dolphins, and
manatees are living in the sea.
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3. Microorganisms, such as bacteria and fungi, are the
decomposers in the ecosystem.
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4. Many poisonous mushrooms like Amanita muscaria cause a
range of symptoms such as from slight allergic and digestive
reaction, to hallucination, organ failure, and death.
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5. Cigarette smoke contains more than 4000 chemicals, for instant
nicotine, tar, carbon monoxide and irritants.
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6. The essential elements for plant such as carbon, oxygen,
hydrogen, nitrogen, sulfur and phosphorus are called
macronutrients.
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7. Element that plants need in a very small quantities are called
micronutrients for instant they need chlorine, iron, manganese,
etc. only 0.3 % dry weight only.
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8. Insecticide like DDT can be accumulated in the bodies of
organisms and passed along the food chains.
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