P. 1
1. C. Driving in winter, especially on snowy, icy roads, can be less trouble some if you take a few simple precautions*.
2. B. First, put on snow tires if you plan to dtive on snowy, icy roads very often.
3. E. Second, check the amount of antifreeze in your radiator and add more if necessary.
4. A. Next, add anti freeze to your windshield washer fluid; otherwise, the fluid will freeze and possibly break the container.
5. D. Finally, it is also a good idea to carry tire chains, a can of spray to unfreeze door locks and a windshield scraper in your car when driving in winter weather.
P. 2
1. B. Researchers in the automobile industry are experimenting with different types of engines and fuels as alternative to the conventional gasoline engines.
2. A. Furthermore, researchers are continuing to work on the development of an efficient, electrically powered automobile.
3. C. One new type of engine, which burns diesel oil instead of gasoline, has been available for several years.
4. E. A second type is the gas turbine engine, which can use fuels made from gasoline, diesel oil, kerosene, other petroleum distillates*, or methanol.
5. D. Finally, several automobile manufactures are experimenting with methanol, which is a mixture of gasoline and methyl alcohol, as an automobile fuel.
P. 3
1. E. Some form of written communication has been used throughout the centuries.
2. B. In the earliest times, people carved or painted messages on rocks.
3. A.Later on, people began to write on pieces of leather, which were rolled into scrolls.
4. C. In the middle Ages, heavy paper called parchment was used for writing; books were laboratoriously copied by hand.
5. D. With the invention of the printing press in the middle of the fifteenth century, the modern printing industry was born.
P. 4
1. B. American Indian names are very descriptive, for Indian were usually named for physical attribute, for an occurrence in nature, or for animal.
2. D. Indians with distinctive physical characteristics might be given such names as big foot or crooked leg.
3. A. If there had been a big storm on the day of a baby’s birth, the baby might have been named thunder cloud.
4. C. Grey Eagle, red dog, Big bear, and spotted wolf are example of Indians named after animals.
P. 5
1. D. The validity* of standardized intelligence test is being seriously questioned by educators and physiologists.
2. A. For one thing, Individual I.Q. scores vary considerably.
3. B. Many experts also question whether I.Q. scores are related to intelligence.
4. C. Furthermore, most psychologists agree that intelligence test are biased* in favor of middle-class children.
5. E. In fact, motivation seems to be just as important as intelligence in determining a person’s ability to learn.
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