2021年4月24日雅思考試閱讀機經(jīng)真題部分答案

2021年4月24日雅思考試閱讀機經(jīng)真題部分答案 關(guān)于這個問題下面小編就來為各個考生解答下。

2021年4月24日雅思考試閱讀機經(jīng)真題部分答案

Passage 1

Topic

Dugongs, sea cows

1-5為填空題

Dugongs are found in North Australia and South-east Asia. They favor seagrasses that are rich in 1 nitrogen. These seagrasses grow in shallow coastal waters with the availability of light.

Dugongs have long upper li with a lot of 2 sensory bristles. As they move, they leave clear 3 trails on the seabed, and tiny 4 tufts of seabed remains. The sea-grass species

favored by dugongs are those come back most 5 quickly.

6-9為判斷題

6. Larger dugongs compete with smallr ones. (NG )

7. Dugongs rarely come back to the same grazing area. (F )

8. It took more than 10 years for the re growth of seagrass after a storm damage. (T)

9. Dugongs need to eat almost constantly. (T )

10-13為填空題

10 Name one sea animal that resembles dugongs. (dolphins or walrus)

11 Approximately how many dugongs lived around Hervey Bay in 1992 before the

cyclone? (1750)

12. Name one factor that explain the movement of dugongs within seagrass areas. ( food

availability or environmental conditions)

13. Which human activity is most harmful to the dugongs? ( fishing nets )

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