According to the reading passage, it is stated that in the near future, airships that were widely in use decades ago, will become popular again, and it mentions the advantages of airships over airplanes and helicopters to clarify this hypothesis. However, the professor in the listening section refutes the assumptions made in the reading passage and presents three solid reasons to challenge them.
Firstly, the reading claims that unlike airplanes and helicopters, airships use engine only for horizontal movement and need less fuel, which makes them cost-efficient. The professor casts doubt on this point by saying that although airships are fuel-efficient, they need special lighter gasses, such as Hydrogen and Helium to fly. He states Hydrogen gas is capable of catching fire very easily, which can result in tragic accidents. On the other hand, Helium is safer but it is more difficult to obtain and more expensive. Therefore, the professor believes finding an economical solution for this matter is not easy.
Secondly, the article posits that airships can be used in hard-to-reach locations unlike airplanes, and also can carry heavy logs unlike helicopters. In contrast, the professor says that airships need to come down to pick up the tree logs in the forest and then rise again. According to him, since airships are very large, it is very difficult to keep them steadily while there is heavy winds around, and it can cause real damages to them.
Finally, the reading says because of the fact that airships can reach high altitudes and stay there for a significant amount of time, they can be used instead of satellites. The professor opposes this point by explaining that these aircrafts can rise just 14 kilometers above the surface. He goes on to say that for resisting the strong winds within that height, they are required to use up their fuel, which leads to the continuous demand of being refueled.
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Grammar and spelling errors:
Line 2, column 1, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...three solid reasons to challenge them. Firstly, the reading claims that unlike ...
^^^^^
Line 3, column 1, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
... solution for this matter is not easy. Secondly, the article posits that airshi...
^^^^^
Line 3, column 377, Rule ID: THERE_S_MANY[4]
Message: Did you mean 'there are heavy winds'?
Suggestion: there are heavy winds
...y difficult to keep them steadily while there is heavy winds around, and it can cause real damages t...
^^^^^^^^^^^^^^^^^^^^
Line 4, column 1, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...and it can cause real damages to them. Finally, the reading says because of the...
^^^^^
Line 4, column 32, Rule ID: BECAUSE_OF_THE_FACT_THAT[1]
Message: This phrase is redundant. Use simply 'because'.
Suggestion: because
...o them. Finally, the reading says because of the fact that airships can reach high altitudes and s...
^^^^^^^^^^^^^^^^^^^^^^^^
Transition Words or Phrases used:
also, but, finally, first, firstly, however, if, second, secondly, so, then, therefore, while, in contrast, such as, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 14.0 10.4613686534 134% => OK
Auxiliary verbs: 11.0 5.04856512141 218% => Less auxiliary verb wanted.
Conjunction : 12.0 7.30242825607 164% => OK
Relative clauses : 13.0 12.0772626932 108% => OK
Pronoun: 31.0 22.412803532 138% => Less pronouns wanted
Preposition: 42.0 30.3222958057 139% => OK
Nominalization: 3.0 5.01324503311 60% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1606.0 1373.03311258 117% => OK
No of words: 316.0 270.72406181 117% => OK
Chars per words: 5.08227848101 5.08290768461 100% => OK
Fourth root words length: 4.21620550194 4.04702891845 104% => OK
Word Length SD: 2.64858104906 2.5805825403 103% => OK
Unique words: 180.0 145.348785872 124% => OK
Unique words percentage: 0.569620253165 0.540411800872 105% => OK
syllable_count: 493.2 419.366225166 118% => OK
avg_syllables_per_word: 1.6 1.55342163355 103% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 7.0 3.25607064018 215% => Less pronouns wanted as sentence beginning.
Article: 8.0 8.23620309051 97% => OK
Subordination: 1.0 1.25165562914 80% => OK
Conjunction: 3.0 1.51434878587 198% => OK
Preposition: 5.0 2.5761589404 194% => OK
Performance on sentences:
How many sentences: 13.0 13.0662251656 99% => OK
Sentence length: 24.0 21.2450331126 113% => OK
Sentence length SD: 41.1629752635 49.2860985944 84% => OK
Chars per sentence: 123.538461538 110.228320801 112% => OK
Words per sentence: 24.3076923077 21.698381199 112% => OK
Discourse Markers: 10.3076923077 7.06452816374 146% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 5.0 4.19205298013 119% => OK
Sentences with positive sentiment : 5.0 4.33554083885 115% => OK
Sentences with negative sentiment : 4.0 4.45695364238 90% => 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: 0.195334829872 0.272083759551 72% => OK
Sentence topic coherence: 0.0636606543371 0.0996497079465 64% => OK
Sentence topic coherence SD: 0.0470692266117 0.0662205650399 71% => OK
Paragraph topic coherence: 0.116697038165 0.162205337803 72% => OK
Paragraph topic coherence SD: 0.045293332716 0.0443174109184 102% => OK
Essay readability:
automated_readability_index: 14.7 13.3589403974 110% => OK
flesch_reading_ease: 47.12 53.8541721854 87% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 12.7 11.0289183223 115% => OK
coleman_liau_index: 12.48 12.2367328918 102% => OK
dale_chall_readability_score: 9.07 8.42419426049 108% => OK
difficult_words: 85.0 63.6247240618 134% => OK
linsear_write_formula: 14.5 10.7273730684 135% => OK
gunning_fog: 11.6 10.498013245 110% => OK
text_standard: 15.0 11.2008830022 134% => OK
What are above readability scores?
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Rates: 80.0 out of 100
Scores by essay e-grader: 24.0 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.