some people keep in touch with their friends and family by letter and e-mail others prefer telephone. which way do you prefer and why. include details and examples in your explanation.

Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments

Performance on vocabulary words:
No of characters: 591.0 444.711560045 133% => OK
No of words: 149.0 116.580246914 128% => OK
Chars per words: 3.96644295302 3.81502700369 104% => OK
Fourth root words length: 3.49378814695 3.28032121604 107% => OK
Word Length SD: 1.93663413606 1.8723322822 103% => OK
Unique words: 102.0 76.076318743 134% => OK
Unique words percentage: 0.684563758389 0.655143326166 104% => OK
Syllable count: 184.5 141.574747475 130% => OK
Avg_syllables_per_word: 1.2 1.21358024691 99% => OK

Performance on coherence:
Topic speech coherence ratio: 0.125592056284 0.0738818816272 170% => OK

Acoustic performance on paragraphs:
How many acoustic paragraphs: 1.0 3.20202020202 31% => OK
Average paragraph length: 149.0 60.3232687746 247% => The average paragraph length is high.
STD paragraph length: 0.0 17.3634065801 0% => OK
Average paragraph duration: 47.47 22.9064221017 207% => Need to control the rhythm of the speech
STD paragraph duration: 0.0 6.49597621602 0% => The duration of acoustic paragraphs keeps same.

Acoustic performance on sentences:
How many acoustic sentences: 20.0 31.1548821549 64% => OK
Average acoustic sentence length: 7.45 4.0588447711 184% => OK
STD acoustic sentence length: 6.14389941324 3.18357895611 193% => OK
Average acoustic sentences duration: 2.351 1.46810986539 160% => OK
STD acoustic sentences duration: 1.8046936028 1.01537252472 178% => OK

Acoustic performance on acoustic silence:(An acoustic silence means a little pause between two or more words)
How many acoustic silence: 19.0 28.6644219978 66% => OK
Total acoustic silence duration: 3.16 5.28593714927 60% => OK
Average acoustic silence duration: 0.166315789474 0.187982170178 88% => OK
STD acoustic silence duration: 0.115449260959 0.154715141812 75% => OK

Acoustic performance on acoustic words:
Total word duration: 41.88 35.408047138 118% => OK
Average word duration: 0.281073825503 0.306236595465 92% => OK
STD word duration: 0.155153705731 0.198589292138 78% => OK

Disfluencies: like hesitations, or 'ehn' or taking a long time to pronounce a word:
How many disfluencies: 7.0 6.3164983165 111% => OK
Total_disfluencies_duration: 5.04 5.14435465769 98% => OK
Total acoustic noise duration: 0.73 2.80480359147 26% => Good job. The lower, the better.

Acoustic rates:
Total speech duration: 47.47 45.0716498316 105% => Need to finish the speech on time.
Compare to expected duration: 1.05488888889 1.00159221848 105% => It is over the expected time.
Rate of silence: 0.400252791237 0.637764685501 63% => OK
Rate of speech: 3.13882452075 2.58495923209 121% => OK
Rate of speech by unique words: 2.14872551085 1.68816559523 127% => OK
Rate of word duration by unique words: 2.43553008596 2.15290372801 113% => OK
Average articulation rates: 0.388198449664 0.343871460585 113% => OK

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Maybe the speech is too long. It should be in 45 seconds.

Rates: 66.6666666667 out of 100
Scores by speech e-grader: 20.0 Out of 30
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Note: the speech e-grader does NOT examine the meaning of words and ideas.

25 in 30

It is a good one.

The e-grader only gave 20 because it takes 47 seconds. If you remove the conclusion and talk in 45 seconds, you can get better marks.
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why we don't need conclusion in the speaking? because in the introduction, we have made our choices/options/likes/dislikes..., don't need to repeat it.

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The rule of the speaking for Q1/Q2: more content, higher marks.