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Remain cloudless. Early Polynesian navigators did not havecompasses; nevertheless, they could sail from island to Island by reading the clouds. Exercise 37: Complete the following sentences, using ideas about your area or country. Then, give any additional information you may know on the topic. Examples:The United States has a Clean Water Act that should. . . . The United States has a Clean Water Act that should Control or prevent pollution. Despite.. . . Despite this law, many companies pollute.
1. My government has many programs to help.... In spite o f . . . . 2. We have laws to protect.... Despite.... 3. We also have laws against.... However,.... 4. The most important resources in my area (country) are.... In spite o f . . . . 5. Farmers in my area (country) produce.... However,.... 6. Our major energy sources are.... 7. We don't produce enough.... In spite o f . . . . 8. Politicians in my area (country) are not supposed to.... Nevertheless,....
Exercise 38: Read the following pairs of sentences and decide whether the information shows concession or opposition. Then combine the sentences with while, where, whereas, although, even though, orthough. Be sure to change or omit words and to add punctuation when necessary. Example:Each year, 80,000 cubic miles of water evaporate from the oceans. Fifteen thousand cubic miles of water evaporate from land, (opposition) Each year, while 80,000 cubic miles of water evaporate From the oceans, 15,000 evaporate from land.
1. Land contributes less than 15 percent of the water vapor in the atmosphere. Land receives over one-quarter of the world's annual rainfall (approximately 24,000 cubic miles). 2. The actual locations of rainfall depend on geography and winds. The total annual rainfall in the world is enough to provide every human an average of 22,000 gallons every day. 3. Every year, 470 inches of rain fall on Mt. Waialeale in Hawaii. Desert regions in Africa get less than 1 inch of rain annually. 4. Each year, 1.7 inches of rain fall in California's Death Valley. A few hundred miles away, in the Pacific Northwest, 140 to 150 inches of rain fall. 5. All precipitation begins with the cooling and condensing of water vapor. It may reach earth as rain, sleet, snow, or hail, depending on air currents, temperature, and humidity. 6. In clean air, only temperature and humidity determine when vapor condenses into water. In polluted air, chemicals and particles of dust affect the process. 7. In clear air, condensation happens slowly. In particle-filled air, condensation occurs much more rapidly. 8. Meteorologists do not know all the effects of air pollution. Many believe that pollution can and will change our weather patterns. Now, rewrite your sentences from the preceding exercise with the transitions however, nevertheless, on the contrary, or on the other hand. Exercise 39: Combine the following sentences, using although, Even though, however, nevertheless, while, where, on the other hand, oron the contrary. Example:Water exists in three forms—gas, liquid, and solid. The most common freshwater form on earth is ice. Although water exists in three forms—gas, liquid, and Solid—the most common freshwater form on earth is Ice.
1. Almost three-quarters of the earth's surface is water. We cannot easily use most of this water. 2. Seventy-one percent of the earth's surface is covered by saltwater ocean. Seventy-five percent of all the world's fresh water is in glacial ice. 3. Water freezes at 32 degrees Fahrenheit (O degrees Celsius). Snow and ice depend on other factors that influence temperature, such as altitude. 4. Land masses in the Northern Hemisphere are large enough to influence and even create climates. Land masses in the Southern Hemisphere are too small and too far from the South Pole to create cold climates. 5. The Arctic is a frozen ocean, covered by sea ice and surrounded by land. The Antarctic is a frozen continent, covered by glacier ice and completely surrounded by sea. 6. Snow and ice cover the peaks of many mountains. The regional "snow line" varies greatly according to latitude. 7. Near the poles, the snow line is at sea level. In the tropics, the snow line is above 20,000 feet (6,000 meters). 8. Glaciers can exist on moderately high mountains in the middle latitudes. Near the equator, glaciers exist on only the highest peaks, such as Chimborazo, Kilimanjaro, and Mount Kenya. On Your Own After you have finished combining these sentences, use them to write a paragraph on snow and ice. You may want to rewrite, add, or omit portions in order to vary your sentences. Activity In pairs or in small groups, use the following to learn how to read a weather map. Check the weather map in your local newspaper and prepare a short forecast of upcoming weather. Tell what you are basing your predictions on, using as many connectors of cause, purpose, or contrast as you can.
Exercise 40: Rephrase the following sentences, changing clauses of opposition to clauses of comparison. Give at least two new versions for each. Example:Mt. Waialeale, Hawaii, gets 460 inches of rain annually, while the Atacama Desert in Chile gets almost no rain. Date: 2015-12-11; view: 1013
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