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The reading passage claims that there are several explanations about what might have been the cause of the strange sounds which Russian submarines had been hearing for two decades. However, the lecturer finds all the ideas implausible and presents some evidence to refute them all.
First, the reading holds the view that the sounds were made by male and female ocraorca whales. Conversely, the professor underlines the fact that this theory is highly unlikely. Although there were a population of ocraorca whales living in that area, they lived near the surface of the water. Since the Russian submarinssubmarines were patrolling deep in the ocean, they should not be able to hear their noises. In addition, the ocraorca whales can be detected by sonar which is another reason making this theory impossible.
Second, the author argues that the sounds were made by giant squids which could not be detected by sonar because of their soft bodies. In contrast, the lecturer brings up the fact that although this theory is a better candidate for explaining the cause of the odd sounds, it is unconvincing. The sailors first heard the sounds in the 1960s and they were hearing the sounds for two decades. After two decades, in 1980s, the sounds were disappeared. Actually, giant squids lived in the area in that time and continue to live there today and there is no reason for the sounds to stop in the 1980s.
Finally, the reading passage asserts that the cause of the sounds were military submarines of another country. On the contrary, the speaker dismisses this issue due to the fact that the sounds changed direction very quickly and no engine noise were was detected. Even today submarines make engine noise and they are not that fast. Due to these two reasons, the explanation of another country's submarine cannot hold up.
Grammar and spelling errors:
Line 1, column 152, Rule ID: PROGRESSIVE_VERBS[1]
Message: This verb is normally not used in the progressive form. Try a simple form instead.
...nge sounds which Russian submarines had been hearing for two decades. However, the lecturer ...
^^^^^^^^^^^^
Line 5, column 350, Rule ID: PROGRESSIVE_VERBS[1]
Message: This verb is normally not used in the progressive form. Try a simple form instead.
... heard the sounds in the 1960s and they were hearing the sounds for two decades. After two d...
^^^^^^^^^^^^
Line 5, column 410, Rule ID: IN_1990s[1]
Message: The article is probably missing here: 'in the 1980s'.
Suggestion: in the 1980s
...nds for two decades. After two decades, in 1980s, the sounds were disappeared. Actually,...
^^^^^^^^
Line 7, column 250, Rule ID: BEEN_PART_AGREEMENT[1]
Message: Consider using a past participle here: 'been'.
Suggestion: been
...n very quickly and no engine noise were was detected. Even today submarines make en...
^^^
Discourse Markers used:
['actually', 'conversely', 'finally', 'first', 'however', 'second', 'so', 'in addition', 'in contrast', 'on the contrary']
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance in Part of Speech:
Nouns: 0.238938053097 0.261695866417 91% => OK
Verbs: 0.162241887906 0.158904122519 102% => OK
Adjectives: 0.0589970501475 0.0723426182421 82% => OK
Adverbs: 0.047197640118 0.0435111971325 108% => OK
Pronouns: 0.023598820059 0.0277247811725 85% => OK
Prepositions: 0.120943952802 0.128828473217 94% => OK
Participles: 0.0442477876106 0.0370669169778 119% => OK
Conjunctions: 2.47903066877 2.5805825403 96% => OK
Infinitives: 0.0176991150442 0.0208969081088 85% => OK
Particles: 0.00589970501475 0.00154638098197 382% => OK
Determiners: 0.156342182891 0.128158765124 122% => OK
Modal_auxiliary: 0.0147492625369 0.0158828679856 93% => OK
WH_determiners: 0.0117994100295 0.0114777025283 103% => OK
Vocabulary words and sentences:
No of characters: 1834.0 1645.83664459 111% => OK
No of words: 307.0 271.125827815 113% => OK
Chars per words: 5.97394136808 6.08160592843 98% => OK
Fourth root words length: 4.18585898806 4.04852973271 103% => OK
words length more than 5 chars: 0.358306188925 0.374372842146 96% => OK
words length more than 6 chars: 0.237785016287 0.287516216867 83% => OK
words length more than 7 chars: 0.153094462541 0.187439937562 82% => OK
words length more than 8 chars: 0.0846905537459 0.113142543107 75% => OK
Word Length SD: 2.47903066877 2.5805825403 96% => OK
Unique words: 156.0 145.348785872 107% => OK
Unique words percentage: 0.508143322476 0.539623497131 94% => OK
Word variations: 51.254994275 53.8517498576 95% => OK
How many sentences: 16.0 13.0529801325 123% => OK
Sentence length: 19.1875 21.7502111507 88% => OK
Sentence length SD: 32.3976754567 49.3711431718 66% => OK
Chars per sentence: 114.625 132.220823453 87% => OK
Words per sentence: 19.1875 21.7502111507 88% => OK
Discourse Markers: 0.625 0.878197800319 71% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 4.0 3.39072847682 118% => OK
Readability: 42.9660016287 50.5018328374 85% => OK
Elegance: 1.73417721519 1.90840788429 91% => OK
Coherence and Cohesion:
Essay topic to essay body coherence: 0.0 0.549887131256 0% => The similarity between the topic and the content is low.
Sentence sentence coherence: 0.141432088782 0.142949733639 99% => OK
Sentence sentence coherence SD: 0.0952530143202 0.0787303798458 121% => OK
Sentence paragraph coherence: 0.606619119435 0.631733273073 96% => OK
Sentence paragraph coherence SD: 0.116545289355 0.139662658121 83% => OK
Sentence topic coherence: 0.0 0.266732575781 0% => Sentence topic similarity is low.
Sentence topic coherence SD: 0.0 0.103435571967 0% => OK
Paragraph paragraph coherence: 0.501450012151 0.414875509568 121% => OK
Paragraph paragraph coherence SD: 0.122251999684 0.0530846634433 230% => OK
Paragraph topic coherence: 0.0 0.40443939384 0% => The content is off the topic.
Paragraph topic coherence SD: 0.0 0.0528353158467 0% => Paragraphs are similar to each other.
Task Achievement:
Sentences with positive sentiment : 1.0 4.33554083885 23% => More positive sentences wanted.
Sentences with negative sentiment : 5.0 4.45695364238 112% => OK
Sentences with neutral sentiment: 10.0 4.26048565121 235% => Less neutral sentences wanted.
Positive topic words: 1.0 3.49668874172 29% => More positive topic words wanted.
Negative topic words: 5.0 3.62251655629 138% => OK
Neutral topic words: 9.0 3.1766004415 283% => OK
Total topic words: 15.0 10.2958057395 146% => OK
What are sentences with positive/Negative/neutral sentiment?
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Rates: 83.3333333333 out of 100
Scores by essay e-grader: 25.0 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.