Question

Underline the form from that correctly completes each sentence.

1. Ethics (is/are) the study of moral duties, principles, and values. 2. The first bridge to be build with electric lights (was / were) the Brooklyn Bridge. 3There (is/are) two types of calculus, differential and integral. 4.George Gershwin, together with his brother Ira, (was/ were) the creator of the first musical comedy to win Pulitzer Prize. 5. In a chess game, the player with the white pieces always (moves / move) first. 6. The Earth and Pluto (is/are) the only two planets in the solar system believed to have a single moon. 7. A number of special conditions (is/are) necessary for the formation of a geyser. 8. Each of the Ice Ages (was/ were) more than a million years long. 9. The battery, along with the alternator and starter, (makes / make) up the electrical system of a car. 10. Teeth (is/are) covered with a hard substance called enamel. 11. The more-or-less rhythmic succession of economic booms and busts (is/are) referred to as the business cycle. 12. The number of chromosomes in a cell (varies/ vary) from species to species. 13. All trees, except for the tree fern, (is / are) seed bearing plants. 14. Fifteen hundred dollars a year (was / were) the per-capita income in the United States in 1950. 15. Everyone who (goes / go) into the woods should recognize common poisonous plants such as poison ivy and poison oak.​

Answer 1

Ответ:

1. Ethics is the study of moral duties, principles, and values.

2. The first bridge to be built with electric lights was the Brooklyn Bridge.

3. There are two types of calculus, differential and integral.

4. George Gershwin, together with his brother Ira, was the creator of the first musical comedy to win the Pulitzer Prize.

5. In a chess game, the player with the white pieces always moves first.

6. The Earth and Pluto are the only two planets in the solar system believed to have a single moon.

7. A number of special conditions are necessary for the formation of a geyser.

8. Each of the Ice Ages was more than a million years long.

9. The battery, along with the alternator and starter, makes up the electrical system of a car.

10. Teeth are covered with a hard substance called enamel.

11. The more-or-less rhythmic succession of economic booms and busts is referred to as the business cycle.

12. The number of chromosomes in a cell varies from species to species.

13. All trees, except for the tree fern, are seed-bearing plants.

14. Fifteen hundred dollars a year was the per-capita income in the United States in 1950.

15. Everyone who goes into the woods should recognize common poisonous plants such as poison ivy and poison oak.