In recent years, many frog species around the world have declined in numbers or even gone
extinct due to changes in their environment. These population declines and extinctions have
serious consequences for the ecosystems in which frogs live; for example, frogs help play a
role in protecting humans by eating disease-carrying insects. Several methods have been
proposed to solve the problem of declining frog populations.
First, frogs are being harmed by pesticides, which are chemicals used to prevent insects from
damaging farm crops such as corn and sugarcane. Pesticides often spread from farmland into
neighboring frog habitats. Once pesticides enter a frog’s body, they attack the nervous
system, leading to severe breathing problems. If laws prohibited the farmers from using
harmful pesticides near sensitive frog populations, it would significantly reduce the harm
pesticides cause to frogs.
A second major factor in frog population decline is a fungus that has spread around the world
with deadly effect. The fungus causes thickening of the skin, and since frogs use their skin to
absorb water, infected frogs die of dehydration. Recently, researchers have discovered several
ways to treat or prevent infection, including antifungal medication and treatments that kill the
fungus with heat. Those treatments, if applied on a large scale, would protect sensitive frog
populations from infection.
Third, in a great many cases, frog populations are in decline simply because their natural
habitats are threatened. Since most frog species lay their eggs in water, they are dependent
on water and wetland habitats. Many such habitats are threatened by human activities,
including excessive water use or the draining of wetlands to make them suitable for
development. If key water habitats such as lakes and marshes were better protected from
excessive water use and development, many frog species would recover
The reading mainly talks about many frog species have declined in numbers and some are
even extinct. Several methods proposed to help solve the problem. However, the listening
challenges what is stated in the passage by providing three strong reasons.
Firstly, in the reading, it is said that frogs are killed by pesticides and other chemicals. If laws
prohibit farmers from using pesticides near frogs, it would reduce the harm of pesticides
cause to frogs. In contrast, the listening holds a view that prohibiting pesticides is not
economically practical. To state it more clearly, it will cause severe disadvantage for farms to
plant, farmers may loss crops if they don't use pesticides.
Secondly, the passage asserts that antifungal medication and other treatments will help
prevent frogs from infection. However, the woman maintains an opposite opinoin that using
medication is not practical because it is needed for every single frog. It's impossible to use
medication in large scale. If the frogs have offspring, we'll need to use medication on their
offspring again.
Finally, the author believed that frogs' habitates are under threaten because of human
activities. But the woman believed that frog habitates are threatened by global warming rather
than human. So it's useless to prevent human activity
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| 2024-01-11 | sanddy | 80 | view |
| 2023-07-18 | dxy40747 | 3 | view |
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Comments
Essay evaluations by e-grader
Grammar and spelling errors:
Line 8, column 39, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: don't
... plant, farmers may loss crops if they dont use pesticides. Secondly, the passage ...
^^^^
Transition Words or Phrases used:
but, finally, first, firstly, however, if, may, second, secondly, so, well, in contrast
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 9.0 10.4613686534 86% => OK
Auxiliary verbs: 5.0 5.04856512141 99% => OK
Conjunction : 4.0 7.30242825607 55% => More conjunction wanted.
Relative clauses : 6.0 12.0772626932 50% => More relative clauses wanted.
Pronoun: 15.0 22.412803532 67% => OK
Preposition: 24.0 30.3222958057 79% => OK
Nominalization: 5.0 5.01324503311 100% => OK
Performance on vocabulary words:
No of characters: 1129.0 1373.03311258 82% => OK
No of words: 207.0 270.72406181 76% => More content wanted.
Chars per words: 5.45410628019 5.08290768461 107% => OK
Fourth root words length: 3.79308509922 4.04702891845 94% => OK
Word Length SD: 2.66867004492 2.5805825403 103% => OK
Unique words: 131.0 145.348785872 90% => More unique words wanted.
Unique words percentage: 0.632850241546 0.540411800872 117% => OK
syllable_count: 345.6 419.366225166 82% => OK
avg_syllables_per_word: 1.7 1.55342163355 109% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 4.0 3.25607064018 123% => OK
Article: 6.0 8.23620309051 73% => OK
Subordination: 3.0 1.25165562914 240% => Less adverbial clause wanted.
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 3.0 2.5761589404 116% => OK
Performance on sentences:
How many sentences: 14.0 13.0662251656 107% => OK
Sentence length: 14.0 21.2450331126 66% => The Avg. Sentence Length is relatively short.
Sentence length SD: 27.9357864265 49.2860985944 57% => The essay contains lots of sentences with the similar length. More sentence varieties wanted.
Chars per sentence: 80.6428571429 110.228320801 73% => OK
Words per sentence: 14.7857142857 21.698381199 68% => OK
Discourse Markers: 6.21428571429 7.06452816374 88% => OK
Paragraphs: 15.0 4.09492273731 366% => Less paragraphs wanted.
Language errors: 1.0 4.19205298013 24% => OK
Sentences with positive sentiment : 4.0 4.33554083885 92% => OK
Sentences with negative sentiment : 6.0 4.45695364238 135% => OK
Sentences with neutral sentiment: 4.0 4.27373068433 94% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.181034592735 0.272083759551 67% => OK
Sentence topic coherence: 0.059373331679 0.0996497079465 60% => OK
Sentence topic coherence SD: 0.0916573473178 0.0662205650399 138% => OK
Paragraph topic coherence: 0.0561675397315 0.162205337803 35% => Maybe some paragraphs are off the topic.
Paragraph topic coherence SD: 0.0699022693462 0.0443174109184 158% => OK
Essay readability:
automated_readability_index: 11.6 13.3589403974 87% => Automated_readability_index is low.
flesch_reading_ease: 48.81 53.8541721854 91% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 9.9 11.0289183223 90% => OK
coleman_liau_index: 13.74 12.2367328918 112% => OK
dale_chall_readability_score: 8.91 8.42419426049 106% => OK
difficult_words: 60.0 63.6247240618 94% => OK
linsear_write_formula: 7.0 10.7273730684 65% => OK
gunning_fog: 7.6 10.498013245 72% => OK
text_standard: 9.0 11.2008830022 80% => OK
What are above readability scores?
---------------------
Maximum four paragraphs wanted.
Rates: 85.0 out of 100
Scores by essay e-grader: 25.5 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.
Grammar and spelling errors:
Line 8, column 39, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: don't
... plant, farmers may loss crops if they dont use pesticides. Secondly, the passage ...
^^^^
Transition Words or Phrases used:
but, finally, first, firstly, however, if, may, second, secondly, so, well, in contrast
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 9.0 10.4613686534 86% => OK
Auxiliary verbs: 5.0 5.04856512141 99% => OK
Conjunction : 4.0 7.30242825607 55% => More conjunction wanted.
Relative clauses : 6.0 12.0772626932 50% => More relative clauses wanted.
Pronoun: 15.0 22.412803532 67% => OK
Preposition: 24.0 30.3222958057 79% => OK
Nominalization: 5.0 5.01324503311 100% => OK
Performance on vocabulary words:
No of characters: 1129.0 1373.03311258 82% => OK
No of words: 207.0 270.72406181 76% => More content wanted.
Chars per words: 5.45410628019 5.08290768461 107% => OK
Fourth root words length: 3.79308509922 4.04702891845 94% => OK
Word Length SD: 2.66867004492 2.5805825403 103% => OK
Unique words: 131.0 145.348785872 90% => More unique words wanted.
Unique words percentage: 0.632850241546 0.540411800872 117% => OK
syllable_count: 345.6 419.366225166 82% => OK
avg_syllables_per_word: 1.7 1.55342163355 109% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 4.0 3.25607064018 123% => OK
Article: 6.0 8.23620309051 73% => OK
Subordination: 3.0 1.25165562914 240% => Less adverbial clause wanted.
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 3.0 2.5761589404 116% => OK
Performance on sentences:
How many sentences: 14.0 13.0662251656 107% => OK
Sentence length: 14.0 21.2450331126 66% => The Avg. Sentence Length is relatively short.
Sentence length SD: 27.9357864265 49.2860985944 57% => The essay contains lots of sentences with the similar length. More sentence varieties wanted.
Chars per sentence: 80.6428571429 110.228320801 73% => OK
Words per sentence: 14.7857142857 21.698381199 68% => OK
Discourse Markers: 6.21428571429 7.06452816374 88% => OK
Paragraphs: 15.0 4.09492273731 366% => Less paragraphs wanted.
Language errors: 1.0 4.19205298013 24% => OK
Sentences with positive sentiment : 4.0 4.33554083885 92% => OK
Sentences with negative sentiment : 6.0 4.45695364238 135% => OK
Sentences with neutral sentiment: 4.0 4.27373068433 94% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.181034592735 0.272083759551 67% => OK
Sentence topic coherence: 0.059373331679 0.0996497079465 60% => OK
Sentence topic coherence SD: 0.0916573473178 0.0662205650399 138% => OK
Paragraph topic coherence: 0.0561675397315 0.162205337803 35% => Maybe some paragraphs are off the topic.
Paragraph topic coherence SD: 0.0699022693462 0.0443174109184 158% => OK
Essay readability:
automated_readability_index: 11.6 13.3589403974 87% => Automated_readability_index is low.
flesch_reading_ease: 48.81 53.8541721854 91% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 9.9 11.0289183223 90% => OK
coleman_liau_index: 13.74 12.2367328918 112% => OK
dale_chall_readability_score: 8.91 8.42419426049 106% => OK
difficult_words: 60.0 63.6247240618 94% => OK
linsear_write_formula: 7.0 10.7273730684 65% => OK
gunning_fog: 7.6 10.498013245 72% => OK
text_standard: 9.0 11.2008830022 80% => OK
What are above readability scores?
---------------------
Maximum four paragraphs wanted.
Rates: 85.0 out of 100
Scores by essay e-grader: 25.5 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.