Integrated Practice
Ethanol fuel, made from plants such as corn and sugar cane, has been advocated by some people as an alternative to gasoline in the United States. However, many critics argue that ethanol is not a good replacement for gasoline for several reasons.
First, the increased use of ethanol fuel would not help to solve one of the biggest environmental problems caused by gasoline use: global warming. Like gasoline, ethanol releases carbon dioxide into the atmosphere when it is burned for fuel, and carbon dioxide is a greenhouse gas: it helps trap heat in the atmosphere. Thus, ethanol offers no environmental advantage over gasoline.
Second, the production of significant amounts of ethanol would dramatically reduce the amount of plants available for uses other than fuel. For example, much of the corn now grown in the United States is used to feed farm animals such as cows and chickens. It is estimated that if ethanol were used to satisfy just 10 percent of the fuel needs in the United States, more than 60 percent of the corn currently grown in the United States would have to be used to produce ethanol. If most of the corn were used to produce ethanol, a substantial source of food for animals would disappear.
Third, ethanol fuel will never be able to compete with gasoline on price. Although the prices of ethanol and gasoline for the consumer are currently about the same, this is only because of the help in the form of tax subsidies given to ethanol producers by the United States government. These tax subsidies have cost the United States government over $11 billion in the past 30 years. If the United States government were to stop helping the producers in this way, the price of ethanol would increase greatly.
The speaker refuted the conclusion of the passage. He insisted that ethanol is a good kind of fuel, with three opposite points contrary to the three unconvincing reasons in the passage.
First, even though use of ethanol do release carbon dioxide, it will not worse the environmental problem. In fact, there are a counteract to the release of carbon dioxide, that is, the plants absorb the gas as nutrition while growing, which can balance the amount of gas producing while burning. This point shakes the first reason presented in the passage.
Second, despite that many plants for ethanol fuel s...
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Attribute Value Ideal
Score: 27 in 30
Category: Excellent Excellent
No. of Grammatical Errors: 0 2
No. of Spelling Errors: 0 2
No. of Sentences: 14 10
No. of Words: 281 250
No. of Characters: 1306 1200
No. of Different Words: 147 150
Fourth Root of Number of Words: 4.094 4.7
Average Word Length: 4.648 4.6
Word Length SD: 2.253 2.4
No. of Words greater than 5 chars: 91 80
No. of Words greater than 6 chars: 65 60
No. of Words greater than 7 chars: 28 40
No. of Words greater than 8 chars: 17 20
Use of Passive Voice (%): 0 0
Avg. Sentence Length: 20.071 21.0
Sentence Length SD: 8.876 7.5
Use of Discourse Markers (%): 0.786 0.12
Sentence-Text Coherence: 0.332 0.35
Sentence-Para Coherence: 0.56 0.50
Sentence-Sentence Coherence: 0.097 0.07
Number of Paragraphs: 4 4