The reading and the listening are both about the pros and cons of using hydrogen fuel engine in practise. The author of the passage believes that the fuel cell based vehicles are nonpolluting, cheap and uses renewable resources. However the lecturer casts doubt on then claims raised by the author by arguing that the above statement is incorrect.
Firstly, the author of the passage points that the fuel cell uses water and renewable source as their raw material whereas the petrol engine use non renewable source for powering as such the former is reasonable and easy to obtain. The lecturer challenges this. He contends that the fuel engine cannot be easily obtained. He elaborates this by stating that it requires pure liquid hydrogen which is obtained through a extensive cooling technique to a temperature of -53 degree.
Secondly, the author notes that pollution problem does not exist for hydrogen engine because it emits only water which is harmless whereas combustion engine emits carbon dioxide which is detrimental to air.This is rebutted by the lecturer. He states that factories producing hydrogen is more polluting and thus create a lot of pollution issues.
Finally, the author claims that the fuel cell engines are more economical than combustion engines. She suggests that only half fuel energy is required to go the same distance as that of a petrol automobile. This is contradicted by the lecturer. He asserts that the manufacturing process of fuel engine is expensive since it requires platinum. Furthermore, he explains that platinum is is a rare and expensive material in its absence hydrogen is not produced as such negates the statement of cost saving.
To conclude, the lecturer cast doubt on the authors statements.
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Grammar and spelling errors:
Line 1, column 230, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[1]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: However,
...ng, cheap and uses renewable resources. However the lecturer casts doubt on then claims...
^^^^^^^
Line 3, column 417, Rule ID: EN_A_VS_AN
Message: Use 'an' instead of 'a' if the following word starts with a vowel sound, e.g. 'an article', 'an hour'
Suggestion: an
...quid hydrogen which is obtained through a extensive cooling technique to a temper...
^
Line 5, column 207, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: This
...bon dioxide which is detrimental to air.This is rebutted by the lecturer. He states ...
^^^^
Line 7, column 188, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...red to go the same distance as that of a petrol automobile. This is contradicted ...
^^
Line 7, column 384, Rule ID: ENGLISH_WORD_REPEAT_RULE
Message: Possible typo: you repeated a word
Suggestion: is
... Furthermore, he explains that platinum is is a rare and expensive material in its ab...
^^^^^
Transition Words or Phrases used:
but, finally, first, firstly, furthermore, however, second, secondly, so, then, thus, whereas
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 17.0 10.4613686534 163% => OK
Auxiliary verbs: 1.0 5.04856512141 20% => OK
Conjunction : 7.0 7.30242825607 96% => OK
Relative clauses : 15.0 12.0772626932 124% => OK
Pronoun: 27.0 22.412803532 120% => Less pronouns wanted
Preposition: 26.0 30.3222958057 86% => OK
Nominalization: 8.0 5.01324503311 160% => OK
Performance on vocabulary words:
No of characters: 1471.0 1373.03311258 107% => OK
No of words: 284.0 270.72406181 105% => OK
Chars per words: 5.17957746479 5.08290768461 102% => OK
Fourth root words length: 4.10515524023 4.04702891845 101% => OK
Word Length SD: 2.68845118753 2.5805825403 104% => OK
Unique words: 149.0 145.348785872 103% => OK
Unique words percentage: 0.524647887324 0.540411800872 97% => OK
syllable_count: 468.0 419.366225166 112% => OK
avg_syllables_per_word: 1.6 1.55342163355 103% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 8.0 3.25607064018 246% => Less pronouns wanted as sentence beginning.
Article: 7.0 8.23620309051 85% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 1.0 2.5761589404 39% => More preposition wanted as sentence beginning.
Performance on sentences:
How many sentences: 15.0 13.0662251656 115% => OK
Sentence length: 18.0 21.2450331126 85% => The Avg. Sentence Length is relatively short.
Sentence length SD: 59.2834996718 49.2860985944 120% => OK
Chars per sentence: 98.0666666667 110.228320801 89% => OK
Words per sentence: 18.9333333333 21.698381199 87% => OK
Discourse Markers: 6.2 7.06452816374 88% => OK
Paragraphs: 5.0 4.09492273731 122% => OK
Language errors: 5.0 4.19205298013 119% => OK
Sentences with positive sentiment : 4.0 4.33554083885 92% => OK
Sentences with negative sentiment : 5.0 4.45695364238 112% => OK
Sentences with neutral sentiment: 6.0 4.27373068433 140% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.365251292212 0.272083759551 134% => OK
Sentence topic coherence: 0.118106633422 0.0996497079465 119% => OK
Sentence topic coherence SD: 0.0997351484225 0.0662205650399 151% => OK
Paragraph topic coherence: 0.182803345204 0.162205337803 113% => OK
Paragraph topic coherence SD: 0.0986918761488 0.0443174109184 223% => More connections among paragraphs wanted.
Essay readability:
automated_readability_index: 12.4 13.3589403974 93% => Automated_readability_index is low.
flesch_reading_ease: 53.21 53.8541721854 99% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 10.3 11.0289183223 93% => OK
coleman_liau_index: 12.76 12.2367328918 104% => OK
dale_chall_readability_score: 9.14 8.42419426049 108% => OK
difficult_words: 83.0 63.6247240618 130% => OK
linsear_write_formula: 14.0 10.7273730684 131% => OK
gunning_fog: 9.2 10.498013245 88% => OK
text_standard: 10.0 11.2008830022 89% => OK
What are above readability scores?
---------------------
Rates: 81.6666666667 out of 100
Scores by essay e-grader: 24.5 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.