The reading and listening materials have a debate on the cause of the whale’s high pitch song. The writer believes that the hybrid, damaged hearing, and rare species, are the reason for the unique song. Nevertheless, the speaker argues these reasons all have certain flaws.
Firstly, the writer claims that the whale may be a hybrid, so its song is different, but the speaker views this issue from an opposite angle. According to him, it is unlikely to be a hybrid. He advances the theory by saying that the hybrids have the same migration pattern as the non-hybrid whales, they are all-knowing to follow the pattern, if the 52-hertz whale is a hybrid, they will do the same, but by listening to the location of the 52-hertz song, scientists have been able to determine that（检测方式）they do not migrate long distances. And unlike other hybrid whales, it has its own migration pattern and migrates alone.
In addition, the author states that the whale might have bad hearing. However, the speaker opposes the writer's point and takes the view that this cannot explain the unique song, because the song is extremely high. Specifically, he indicates that whales like humans, generate sound from the throat, with this kind of high pitch, the whales must have an unusual throat. So there is no connection between the throat and damaged hearing.
Thirdly, the passage argues that the whale must be the only member of a rare species. By contrast, in accordance with the speaker, the reading's claim does not hold the water because if the whale is from a rare species, it must have parents who produce the same high-pitch sound. However, advanced devices have been put underwater for several decades, but have never heard of any sound from its parents, we hear the sound in recent times before there is no song being heard. In a word, a 52-hertz whale is not a member of rare species.
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Essay evaluations by e-grader
Transition Words or Phrases used:
but, first, firstly, however, if, may, nevertheless, so, third, thirdly, in addition, kind of
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 16.0 10.4613686534 153% => OK
Auxiliary verbs: 7.0 5.04856512141 139% => OK
Conjunction : 9.0 7.30242825607 123% => OK
Relative clauses : 9.0 12.0772626932 75% => More relative clauses wanted.
Pronoun: 25.0 22.412803532 112% => OK
Preposition: 29.0 30.3222958057 96% => OK
Nominalization: 6.0 5.01324503311 120% => OK
Performance on vocabulary words:
No of characters: 1556.0 1373.03311258 113% => OK
No of words: 324.0 270.72406181 120% => OK
Chars per words: 4.8024691358 5.08290768461 94% => OK
Fourth root words length: 4.24264068712 4.04702891845 105% => OK
Word Length SD: 2.37607819725 2.5805825403 92% => OK
Unique words: 170.0 145.348785872 117% => OK
Unique words percentage: 0.524691358025 0.540411800872 97% => OK
syllable_count: 468.9 419.366225166 112% => OK
avg_syllables_per_word: 1.4 1.55342163355 90% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 8.0 3.25607064018 246% => Less pronouns wanted as sentence beginning.
Article: 10.0 8.23620309051 121% => OK
Subordination: 2.0 1.25165562914 160% => OK
Conjunction: 5.0 1.51434878587 330% => Less conjunction wanted as sentence beginning.
Preposition: 6.0 2.5761589404 233% => Less preposition wanted as sentence beginnings.
Performance on sentences:
How many sentences: 15.0 13.0662251656 115% => OK
Sentence length: 21.0 21.2450331126 99% => OK
Sentence length SD: 74.3404779825 49.2860985944 151% => OK
Chars per sentence: 103.733333333 110.228320801 94% => OK
Words per sentence: 21.6 21.698381199 100% => OK
Discourse Markers: 6.2 7.06452816374 88% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 0.0 4.19205298013 0% => OK
Sentences with positive sentiment : 1.0 4.33554083885 23% => More positive sentences wanted.
Sentences with negative sentiment : 7.0 4.45695364238 157% => OK
Sentences with neutral sentiment: 7.0 4.27373068433 164% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.483943045666 0.272083759551 178% => OK
Sentence topic coherence: 0.16364604145 0.0996497079465 164% => OK
Sentence topic coherence SD: 0.0882567320059 0.0662205650399 133% => OK
Paragraph topic coherence: 0.291495360108 0.162205337803 180% => OK
Paragraph topic coherence SD: 0.0474813084179 0.0443174109184 107% => OK
Essay readability:
automated_readability_index: 12.0 13.3589403974 90% => Automated_readability_index is low.
flesch_reading_ease: 67.08 53.8541721854 125% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 9.1 11.0289183223 83% => OK
coleman_liau_index: 10.56 12.2367328918 86% => OK
dale_chall_readability_score: 8.14 8.42419426049 97% => OK
difficult_words: 71.0 63.6247240618 112% => OK
linsear_write_formula: 7.5 10.7273730684 70% => OK
gunning_fog: 10.4 10.498013245 99% => OK
text_standard: 8.0 11.2008830022 71% => OK
What are above readability scores?
---------------------
Write the essay in 20 minutes.
Rates: 60.0 out of 100
Scores by essay e-grader: 18.0 Out of 30
---------------------
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.
Transition Words or Phrases used:
but, first, firstly, however, if, may, nevertheless, so, third, thirdly, in addition, kind of
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 16.0 10.4613686534 153% => OK
Auxiliary verbs: 7.0 5.04856512141 139% => OK
Conjunction : 9.0 7.30242825607 123% => OK
Relative clauses : 9.0 12.0772626932 75% => More relative clauses wanted.
Pronoun: 25.0 22.412803532 112% => OK
Preposition: 29.0 30.3222958057 96% => OK
Nominalization: 6.0 5.01324503311 120% => OK
Performance on vocabulary words:
No of characters: 1556.0 1373.03311258 113% => OK
No of words: 324.0 270.72406181 120% => OK
Chars per words: 4.8024691358 5.08290768461 94% => OK
Fourth root words length: 4.24264068712 4.04702891845 105% => OK
Word Length SD: 2.37607819725 2.5805825403 92% => OK
Unique words: 170.0 145.348785872 117% => OK
Unique words percentage: 0.524691358025 0.540411800872 97% => OK
syllable_count: 468.9 419.366225166 112% => OK
avg_syllables_per_word: 1.4 1.55342163355 90% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 8.0 3.25607064018 246% => Less pronouns wanted as sentence beginning.
Article: 10.0 8.23620309051 121% => OK
Subordination: 2.0 1.25165562914 160% => OK
Conjunction: 5.0 1.51434878587 330% => Less conjunction wanted as sentence beginning.
Preposition: 6.0 2.5761589404 233% => Less preposition wanted as sentence beginnings.
Performance on sentences:
How many sentences: 15.0 13.0662251656 115% => OK
Sentence length: 21.0 21.2450331126 99% => OK
Sentence length SD: 74.3404779825 49.2860985944 151% => OK
Chars per sentence: 103.733333333 110.228320801 94% => OK
Words per sentence: 21.6 21.698381199 100% => OK
Discourse Markers: 6.2 7.06452816374 88% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 0.0 4.19205298013 0% => OK
Sentences with positive sentiment : 1.0 4.33554083885 23% => More positive sentences wanted.
Sentences with negative sentiment : 7.0 4.45695364238 157% => OK
Sentences with neutral sentiment: 7.0 4.27373068433 164% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.483943045666 0.272083759551 178% => OK
Sentence topic coherence: 0.16364604145 0.0996497079465 164% => OK
Sentence topic coherence SD: 0.0882567320059 0.0662205650399 133% => OK
Paragraph topic coherence: 0.291495360108 0.162205337803 180% => OK
Paragraph topic coherence SD: 0.0474813084179 0.0443174109184 107% => OK
Essay readability:
automated_readability_index: 12.0 13.3589403974 90% => Automated_readability_index is low.
flesch_reading_ease: 67.08 53.8541721854 125% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 9.1 11.0289183223 83% => OK
coleman_liau_index: 10.56 12.2367328918 86% => OK
dale_chall_readability_score: 8.14 8.42419426049 97% => OK
difficult_words: 71.0 63.6247240618 112% => OK
linsear_write_formula: 7.5 10.7273730684 70% => OK
gunning_fog: 10.4 10.498013245 99% => OK
text_standard: 8.0 11.2008830022 71% => OK
What are above readability scores?
---------------------
Write the essay in 20 minutes.
Rates: 60.0 out of 100
Scores by essay e-grader: 18.0 Out of 30
---------------------
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.