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 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 stated 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 producers in this way, the price of ethanol would increase greatly.
The passage has expressed that ethanol fuel is not a good replacement for gasoline for some reason. However, the professor said in the lecture that none of those reasons are convincing, and ethanol is a good replacement for gasoline.
First, the passage has asserted that using ethanol would not help to solve the problem of global warming because it will produce carbon dioxide as like as gasoline. In contrast, the professor explained that burning ethanol produces carbon dioxide, but it will not cause global warming because ethanol generates from plants, and plants use carbon dioxide to grow. As a result, carbon dioxide will remove from the atmosphere.
Second, the passage has claimed that by producing ethanol, the food of many animals will disappear. In contrast, the professor explained that ethanol produces from the part of plants that animals do not eat (cellulose) so, it will not eliminate foods for animals.
Third, the passage has expressed that the ethanol's price is high and needs the government help to reduce the price, but the professor mentioned that when demand for ethanol increases the price will come down.
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Transition Words or Phrases used:
but, first, however, second, so, third, in contrast, as a result
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 4.0 10.4613686534 38% => More to be verbs wanted.
Auxiliary verbs: 7.0 5.04856512141 139% => OK
Conjunction : 5.0 7.30242825607 68% => OK
Relative clauses : 10.0 12.0772626932 83% => OK
Pronoun: 13.0 22.412803532 58% => OK
Preposition: 16.0 30.3222958057 53% => More preposition wanted.
Nominalization: 3.0 5.01324503311 60% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 950.0 1373.03311258 69% => OK
No of words: 185.0 270.72406181 68% => More content wanted.
Chars per words: 5.13513513514 5.08290768461 101% => OK
Fourth root words length: 3.68801715136 4.04702891845 91% => OK
Word Length SD: 2.46603812759 2.5805825403 96% => OK
Unique words: 94.0 145.348785872 65% => More unique words wanted.
Unique words percentage: 0.508108108108 0.540411800872 94% => More unique words wanted or less content wanted.
syllable_count: 299.7 419.366225166 71% => OK
avg_syllables_per_word: 1.6 1.55342163355 103% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 1.0 3.25607064018 31% => OK
Article: 8.0 8.23620309051 97% => OK
Subordination: 1.0 1.25165562914 80% => OK
Conjunction: 4.0 1.51434878587 264% => Less conjunction wanted as sentence beginning.
Preposition: 2.0 2.5761589404 78% => OK
Performance on sentences:
How many sentences: 8.0 13.0662251656 61% => Need more sentences. Double check the format of sentences, make sure there is a space between two sentences, or have enough periods. And also check the lengths of sentences, maybe they are too long.
Sentence length: 23.0 21.2450331126 108% => OK
Sentence length SD: 48.3488301306 49.2860985944 98% => OK
Chars per sentence: 118.75 110.228320801 108% => OK
Words per sentence: 23.125 21.698381199 107% => OK
Discourse Markers: 8.0 7.06452816374 113% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 0.0 4.19205298013 0% => OK
Sentences with positive sentiment : 2.0 4.33554083885 46% => More positive sentences wanted.
Sentences with negative sentiment : 4.0 4.45695364238 90% => OK
Sentences with neutral sentiment: 2.0 4.27373068433 47% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.262850672505 0.272083759551 97% => OK
Sentence topic coherence: 0.143514921887 0.0996497079465 144% => OK
Sentence topic coherence SD: 0.12035535464 0.0662205650399 182% => OK
Paragraph topic coherence: 0.17745953071 0.162205337803 109% => OK
Paragraph topic coherence SD: 0.117171325898 0.0443174109184 264% => More connections among paragraphs wanted.
Essay readability:
automated_readability_index: 14.3 13.3589403974 107% => OK
flesch_reading_ease: 48.13 53.8541721854 89% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 12.3 11.0289183223 112% => OK
coleman_liau_index: 12.83 12.2367328918 105% => OK
dale_chall_readability_score: 8.28 8.42419426049 98% => OK
difficult_words: 41.0 63.6247240618 64% => More difficult words wanted.
linsear_write_formula: 10.5 10.7273730684 98% => OK
gunning_fog: 11.2 10.498013245 107% => OK
text_standard: 11.0 11.2008830022 98% => OK
What are above readability scores?
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Rates: 60.0 out of 100
Scores by essay e-grader: 18.0 Out of 30
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Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.