In the given sets of materials, the main topic has centered on whether Hydrogen fuel-cell engines have different redeeming features or not. While the author has focused on the positive points for using this fuel as the source of car's power, the speaker in the follow-up audio material cast doubts on those points by providing justifications.
The first point mentioned in the article is that contrary to the previous unrenewable source of energy, Hydrogen is accessible easily. However, this was questioned by the lecturer as she stated that extracting pure, liquid form of Hydrogen for fuel-cell have required hi-tech structures to make it liquid.
Moreover, according to the essay, to tackle the air-pollution crisis, fuel-cell engine seemed proper because of its safe by-product, known as water. Nonetheless, the speaker discussed that most purification factories needed to change Hydrogen construction in order to make it ready for vast use. In fact, these factories with a high rate of fossil-fuel emission would become one of air polluting source.
Last but not least, the writer has mentioned that one of the most significant advantages of using fuel-cell automobile is its cost-saving function as it uses less amount of power source. Conversely, according to the professor, the container of Hydrogen should make by palatine to facilitate its chemical reaction to combust. Hence, it would be expensive.
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Discourse Markers used:
['but', 'conversely', 'first', 'hence', 'however', 'if', 'moreover', 'nonetheless', 'so', 'while', 'in fact']
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance in Part of Speech:
Nouns: 0.251012145749 0.261695866417 96% => OK
Verbs: 0.153846153846 0.158904122519 97% => OK
Adjectives: 0.117408906883 0.0723426182421 162% => OK
Adverbs: 0.0364372469636 0.0435111971325 84% => OK
Pronouns: 0.0323886639676 0.0277247811725 117% => OK
Prepositions: 0.14979757085 0.128828473217 116% => OK
Participles: 0.0647773279352 0.0370669169778 175% => OK
Conjunctions: 2.90670408855 2.5805825403 113% => OK
Infinitives: 0.0364372469636 0.0208969081088 174% => OK
Particles: 0.0 0.00154638098197 0% => OK
Determiners: 0.0931174089069 0.128158765124 73% => OK
Modal_auxiliary: 0.0121457489879 0.0158828679856 76% => OK
WH_determiners: 0.0 0.0114777025283 0% => OK
Vocabulary words and sentences:
No of characters: 1416.0 1645.83664459 86% => OK
No of words: 222.0 271.125827815 82% => More content wanted.
Chars per words: 6.37837837838 6.08160592843 105% => OK
Fourth root words length: 3.8600083453 4.04852973271 95% => OK
words length more than 5 chars: 0.432432432432 0.374372842146 116% => OK
words length more than 6 chars: 0.328828828829 0.287516216867 114% => OK
words length more than 7 chars: 0.265765765766 0.187439937562 142% => OK
words length more than 8 chars: 0.175675675676 0.113142543107 155% => OK
Word Length SD: 2.90670408855 2.5805825403 113% => OK
Unique words: 140.0 145.348785872 96% => OK
Unique words percentage: 0.630630630631 0.539623497131 117% => OK
Word variations: 65.9762092261 53.8517498576 123% => OK
How many sentences: 10.0 13.0529801325 77% => OK
Sentence length: 22.2 21.7502111507 102% => OK
Sentence length SD: 45.0467534901 49.3711431718 91% => OK
Chars per sentence: 141.6 132.220823453 107% => OK
Words per sentence: 22.2 21.7502111507 102% => OK
Discourse Markers: 1.1 0.878197800319 125% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 0.0 3.39072847682 0% => OK
Readability: 55.0828828829 50.5018328374 109% => OK
Elegance: 2.09090909091 1.90840788429 110% => OK
Coherence and Cohesion:
Essay topic to essay body coherence: 0.584801012883 0.549887131256 106% => OK
Sentence sentence coherence: 0.114504545503 0.142949733639 80% => OK
Sentence sentence coherence SD: 0.0563422476768 0.0787303798458 72% => OK
Sentence paragraph coherence: 0.610536470267 0.631733273073 97% => OK
Sentence paragraph coherence SD: 0.168248036399 0.139662658121 120% => OK
Sentence topic coherence: 0.261492532423 0.266732575781 98% => OK
Sentence topic coherence SD: 0.109485495512 0.103435571967 106% => OK
Paragraph paragraph coherence: 0.355946259407 0.414875509568 86% => OK
Paragraph paragraph coherence SD: 0.0329201525847 0.0530846634433 62% => OK
Paragraph topic coherence: 0.410225409773 0.40443939384 101% => OK
Paragraph topic coherence SD: 0.0242814238632 0.0528353158467 46% => OK
Task Achievement:
Sentences with positive sentiment : 4.0 4.33554083885 92% => OK
Sentences with negative sentiment : 2.0 4.45695364238 45% => OK
Sentences with neutral sentiment: 4.0 4.26048565121 94% => OK
Positive topic words: 4.0 3.49668874172 114% => OK
Negative topic words: 1.0 3.62251655629 28% => More negative topic words wanted.
Neutral topic words: 3.0 3.1766004415 94% => OK
Total topic words: 8.0 10.2958057395 78% => OK
What are sentences with positive/Negative/neutral sentiment?
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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.