Объяснение:
1. The hamburger is served on a bun since 1904 (гамбургер серверуется на булочке с 1904)
или
The first hamburger was served on a bun in 1904 (впервые гамбургер подали на булочке в 1904 году). И так, и так верно.
2. Safety razors were made by King Gillette in 1903
3. The crossword puzzle was published in a newspaper by Arthur Wayne in 1913
4. The superman story was written by Jerry Siegel and John Shuster in 1939
5. The dishwasher was designed by Josephine Cochrane in 1886
6. Traffic lights were invented by Garret A. Morgan in 1920
7. Nylon was invented by Julian Hill in the early 1930s
1-f. If a girl has some problems with her skin, she should eat bread, nuts.
2-e. If you have got a bad cold, you need vitamin C which is in lemons, strawberries, oranges, grapefruits, onions, cabbages, bean, pumpkin.
3-a. To make your bones strong you should eat eggs and drink milk.
4-d. If you can hardly see in the dark, you should have potatoes, tomatoes, carrots every day.
5-b. You should have meat, porridge, bread to make your nervous system work.
6-c. People need vitamins to be healthy, optimistic and strong.
