Choose the correct alternative:
1. For English speakers, Spanish is easier than Russian.
2. In the U.S. the average height for 17-year-old girls is 166,5 cm; for boys it’s 179,7 cm. At that age, girls are usually shorter than boys.
3. Mars is farther from the sun than the earth is, so its temperature is much lower. Mars is hotter than the earth.
4. Diamonds are beautiful, but they are also very hard. In fact, they are the hardest things found in nature.
5. John F. Kennedy was only 43 years old when he was elected president. He was the younger man ever elected president of the U.S.
True or False?
