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Reporte de abusos

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Review Exercises on Consonants

1 Insert the 22 English consonants you have studied in the chart on the next page.

2 Draw a slash (/) <through all silent letters in the following words.

Receipt, Peace Corps, psalm, cupboard, climb, debt, comb, doubt, paradigm, tomb, plumber, heir, castle, bouquet, indict, ballet, whistle, fasten, muscle, foreign, aisle, Arkansas, salmon, calm, autumn.

3 Match each term below with its corresponding concept in phonemic writing.

3.1 Rain forest.

3.2 Acid rain.

3.3 Ozone layer.

3.4 Greenhouse effect.

3.5 Global warming.

3.6 Biodegradable.

3.7 Recycling.

3.8 Organic fertilizer.

3.9 Deforestation.

____ The phenomenon by which the earth’s atmosphere traps some of the sun’s heat as it radiates from the earth’s surface.

____ The process of collecting used products and remanufacturing them into new products instead of throwing them away as garbage. Recycling newspaper helps to preserve forests, since fewer trees have to be cut down to make pulp.

____ The increase in world temperatures due to the greenhouse effect. Global warming is causing some melting of the polar ice caps, resulting in increased coastal flooding.

____ A natural product such as manure to make the soil more productive for agriculture. Unlike chemical fertilizers, organic fertilizers are not harmful to living creatures.

____ The destruction of forests resulting from excessive clearing. Deforestation leads to climatic and environmental changes that sometimes cause rich agricultural regions to become desert wastelands.

____ Precipitation containing high levels of nitric and sulfuric acids resulting from car exhaust and factories.

____ A moist, densely wooded area with an annual rainfall of 200cm.

____ A region in the upper atmosphere containing a high amount of ozone gas that absorbs the sun’s ultraviolet radiation.

____ Capable of quick decomposition into products that are not harmful of the environment. The fast-food chain stopped using foam plastic containers because they are not biodegradable.

Chart for exercise 1.

Topic 6. Phonetic Changes