Gramática expresiones escritas

Esta sección está diseñada para medir su capacidad para reconocer el lenguaje que es apropiado para el inglés escrito estándar.

Instrucciones: En las preguntas 1-13, cada oración tiene cuatro palabras o frases subrayadas. Identifique la palabra o frase subrayada que se debe cambiar para que la oración sea correcta.


1. The music on a compact disk (CD) is record by lasers.

2. One type of Australian frog lays up to 25 eggs at a time and then swallows they for protection.

3. Aristotle believed that everything in the universe were composed of four basic elements: earth, water, air, and fire.

4. The Spanish introduced not only horses and also cattle to the North American continent.

5. White blood cells are the largest of red blood cells and are more varied in size and in shape.

6. During the 1982-83 El Niño, 90 percent of Peru's fur seal pups have died.

7. St. Augustine, Florida, was founded in 1565 by Pedro Menendez and was raze 21 years later by Francis Drake.

8. Antelopes are gregarious animals that travel in herds ranging in amount from a few to several thousand.

9. In 1821, Emma Willard opened officially the doors of the first school in the United States to offer college-level courses for women.

10. Typical long bone, such as the femur, consists of a long shaft with sewllings at each end.

11. The vacuum tube did an important contribution to the early growth of raido and television.

12. A bimetallic thermometer relies the different rates of expansion of two types of metal, ususally brass and copper.

13. Tremendous flooding during the summer of 1993 left 8 million acres of nine midwestern states inundated and proved both expensively and deadly.