The main topic of both the reading passage and the lecture is about an ingenious weapon called 'burning mirror' which was made by the Greeks. The passage shows doubts about the existence of the burning mirror whereas the lecture provides evidences of it.
First, the passage claims that the ancient Greeks were not technologically that advance to make a parabolic curvature weapon. Besides, it would need a large sheet of copper to built it which did not exist then. However, the the lecturer opposes by pointing out that it would need a dozen of small pieces of copper to build a parabolic shape large mirror. She added that the ancient Greeks knew the techniques to build a long copper mirror from those small pieces.
Second, the passages says that it would take long enough time to burn a ship through burning mirror as the ship is a moving object. The lecturer refutes the saying by pointing out that the Roman boats were not only made of wood, they were made of a oject called peach which can be easily set on fire.
Finally, the passage shows that shooting flaming arrows was more effective weapon than burning mirror for the Greeks. Therefore, there was no reason for the Greeks to use burning mirror instead of flaming arrows. The lecturer disagrees with the point by saying that shooting flaming arrows would not be a surprising thing for the Romans and they could be alert of them. On the other hand, burning a ship through a mirror could be an unknown fact for the Romans. That is the reason Greeks used burning mirror to attack their enemies instead of flaming arrows.
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Grammar and spelling errors:
Line 3, column 221, Rule ID: ENGLISH_WORD_REPEAT_RULE
Message: Possible typo: you repeated a word
Suggestion: the
...t it which did not exist then. However, the the lecturer opposes by pointing out that i...
^^^^^^^
Line 3, column 221, Rule ID: DT_DT[1]
Message: Maybe you need to remove one determiner so that only 'the' or 'the' is left.
Suggestion: the; the
...t it which did not exist then. However, the the lecturer opposes by pointing out that i...
^^^^^^^
Line 5, column 248, 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
...ot only made of wood, they were made of a oject called peach which can be easily ...
^
Transition Words or Phrases used:
besides, finally, first, however, second, so, then, therefore, whereas, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 13.0 10.4613686534 124% => OK
Auxiliary verbs: 9.0 5.04856512141 178% => OK
Conjunction : 2.0 7.30242825607 27% => More conjunction wanted.
Relative clauses : 12.0 12.0772626932 99% => OK
Pronoun: 20.0 22.412803532 89% => OK
Preposition: 32.0 30.3222958057 106% => OK
Nominalization: 2.0 5.01324503311 40% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1311.0 1373.03311258 95% => OK
No of words: 278.0 270.72406181 103% => OK
Chars per words: 4.71582733813 5.08290768461 93% => OK
Fourth root words length: 4.08329915638 4.04702891845 101% => OK
Word Length SD: 2.19319765093 2.5805825403 85% => OK
Unique words: 134.0 145.348785872 92% => More unique words wanted.
Unique words percentage: 0.482014388489 0.540411800872 89% => More unique words wanted or less content wanted.
syllable_count: 389.7 419.366225166 93% => OK
avg_syllables_per_word: 1.4 1.55342163355 90% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 4.0 3.25607064018 123% => OK
Article: 8.0 8.23620309051 97% => 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: 13.0 13.0662251656 99% => OK
Sentence length: 21.0 21.2450331126 99% => OK
Sentence length SD: 25.1774765504 49.2860985944 51% => The essay contains lots of sentences with the similar length. More sentence varieties wanted.
Chars per sentence: 100.846153846 110.228320801 91% => OK
Words per sentence: 21.3846153846 21.698381199 99% => OK
Discourse Markers: 6.84615384615 7.06452816374 97% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 3.0 4.19205298013 72% => OK
Sentences with positive sentiment : 2.0 4.33554083885 46% => More positive sentences wanted.
Sentences with negative sentiment : 6.0 4.45695364238 135% => OK
Sentences with neutral sentiment: 5.0 4.27373068433 117% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.461062677071 0.272083759551 169% => OK
Sentence topic coherence: 0.178343005123 0.0996497079465 179% => OK
Sentence topic coherence SD: 0.0646876045093 0.0662205650399 98% => OK
Paragraph topic coherence: 0.265864911436 0.162205337803 164% => OK
Paragraph topic coherence SD: 0.0685366864205 0.0443174109184 155% => OK
Essay readability:
automated_readability_index: 11.5 13.3589403974 86% => 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: 10.1 12.2367328918 83% => OK
dale_chall_readability_score: 7.35 8.42419426049 87% => OK
difficult_words: 47.0 63.6247240618 74% => More difficult words wanted.
linsear_write_formula: 11.0 10.7273730684 103% => OK
gunning_fog: 10.4 10.498013245 99% => OK
text_standard: 11.0 11.2008830022 98% => OK
What are above readability scores?
---------------------
Rates: 73.3333333333 out of 100
Scores by essay e-grader: 22.0 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.