Znajomość środków językowych - Tekst z lukami - Wybór wielokrotny (11)
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The Mystery of Bioluminescent Bays
1. of bioluminescent bays? These glowing bodies of water are found in only a few places around the world, and they're one of nature's most incredible wonders. The glow 2. by tiny organisms called dinoflagellates. When they're disturbed by movement in the water, they emit a brilliant blue light. Some of the most famous bioluminescent bays are in Puerto Rico, where the water sparkles under the night sky. Imagine 3. in these glowing waters or kayaking through them! While scientists are still studying why these organisms glow, many believe it's a defense mechanism. No matter the reason, bioluminescent bays are a breathtaking natural phenomenon.
Na podstawie: www.nationalgeographic.com
1. A. Do you ever hear B. Have you ever heard C. Are you hearing D. Can you hear
2. A. is causing B. has caused C. is caused D. are caused