1) When you listen to music, your heart .................... in sync with it. (beat) a) true b) false 2) If you eat too much broccoli, your skin .................... green. (turn) a) true b) false  3) If a mosquito .................... you, it's usually a female. (bite)  a) true b) false 4) If you .................... cheese before bed, you have nightmares. (eat) a) true b) false 5) When you smile, you .................... 17 muscles. (use) a) true b) false  6) If you put vodka in the freezer, it .................... solid. (not become)  a) true b) false 7) If a shark stops moving, it .................... . (die)  a) true b) false 8) If you .................... 50 kg on Earth, you weigh 19 kg on Mars. (weigh) a) true b) false  9) If you .................... gum, it stays in your stomach for 1 year. (eat)  a) true b) false  10) It is impossible to keep your eyes open when you ................... . (sneeze) a) true b) false  11) When pigs are happy, they .................... their tail. (shake) a) true b) false 12) When they are born, babies .................... how to swim. (know) a) true b) false 13) We .................... more calories when we are asleep. (burn)  a) true b) false 14) When it .................... noon in Rome, it's midnight in New York. (be) a) true b) false 15) If a lizard loses its tail, it .................... another one. (not grow)  a) true b) false

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