Read the following passage and mark the letter A, B, C or D on your answer sheet to choose the word or phrase that best
Read the following passage and mark the letter A, B, C or D on your answer sheet to choose the word or phrase that best fits each of the numbered blanks.
CORAL REEFS
Coral reefs are structures of hard rock (34) _______ can be found in warm shallow sea water. They are formed by corals, small plant-like animals that live in large groups. Coral reefs are home to an amazing variety of plants and fish. Indeed, coral reefs are so rich in color and variety that they have been (35) _______ the “tropical forests of the sea”. Sadly, just like rainforests, coral reefs are under threat from human activities. Climate change, overfishing and ocean pollution are causing damage to coral reefs all over the world. Already, scientists estimate that 10% of the world's coral reefs no long exist and an incredible 60% are endangered. The problem (36) _______ in the fact that coral reefs are very sensitive to changes in water temperature. Climate change, which is expected to significantly raise wafer temperatures in the next few decades, could cause serious (37) _______ to the world's coral reefs. There are a (38) _______ of things you can do to help protect coral reefs. They are among the most beautiful ecosystems in the world and it's up to us to save them!
Trả lời cho các câu 1, 2, 3, 4, 5 dưới đây:
Đáp án đúng là: D
Đáp án cần chọn là: D
Đáp án đúng là: C
Đáp án cần chọn là: C
Đáp án đúng là: D
Đáp án cần chọn là: D
Đáp án đúng là: A
Đáp án cần chọn là: A
Đáp án đúng là: C
Đáp án cần chọn là: C
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