Using points and examples from the talk, explain the two possible ways early humans discovered how to use fire to release copper from solid rock.

Speaking topics in text

Using points and examples from the talk, explain the two possible ways early humans discovered how to use fire to release copper from solid rock.

Speaking recording
Votes
Average: 6.6 (1 vote)
This speaking topic by users
Post dates Users rates Contents
2019-10-02 bishoy Check this speaking
2019-10-02 bishoy 66.00 Check this speaking
2019-10-02 bishoy 83.00 Check this speaking
2019-10-02 bishoy 66.00 Check this speaking
Speaking category
Speakings by user bishoy :

Comments

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

Performance on vocabulary words:
No of characters: 747.0 578.828451883 129% => OK
No of words: 183.0 151.265690377 121% => OK
Chars per words: 4.08196721311 3.82278263415 107% => OK
Fourth root words length: 3.67800887145 3.50058242952 105% => OK
Word Length SD: 1.9610559381 1.80425224433 109% => OK
Unique words: 100.0 92.4686192469 108% => OK
Unique words percentage: 0.546448087432 0.61298525976 89% => More unique words wanted or less content wanted.
Syllable count: 237.6 182.283891213 130% => OK
Avg_syllables_per_word: 1.3 1.20543933054 108% => OK

Performance on coherence:
Topic speech coherence ratio: 0.0748559023879 0.0839705835288 89% => OK

Acoustic performance on paragraphs:
How many acoustic paragraphs: 9.0 4.47071129707 201% => Need less acoustic paragraphs.
Average paragraph length: 20.3333333333 65.8948926009 31% => The average paragraph length is low.
STD paragraph length: 14.9369043349 19.7758100068 76% => OK
Average paragraph duration: 6.48555555556 25.5208953607 25% => The speaking content is not well organized.
STD paragraph duration: 4.70357337236 7.49434385956 63% => OK

Acoustic performance on sentences:
How many acoustic sentences: 26.0 42.9832635983 60% => OK
Average acoustic sentence length: 7.03846153846 3.78147595546 186% => OK
STD acoustic sentence length: 5.74108519111 2.94285465224 195% => OK
Average acoustic sentences duration: 2.12230769231 1.39386743896 152% => OK
STD acoustic sentences duration: 1.51955030719 0.967747756167 157% => OK

Acoustic performance on acoustic silence:(An acoustic silence means a little pause between two or more words)
How many acoustic silence: 19.0 40.4456066946 47% => OK
Total acoustic silence duration: 3.33 7.59280334728 44% => OK
Average acoustic silence duration: 0.175263157895 0.19053887516 92% => OK
STD acoustic silence duration: 0.165700059431 0.157467062838 105% => OK

Acoustic performance on acoustic words:
Total word duration: 49.48 46.3453556485 107% => OK
Average word duration: 0.270382513661 0.308780311121 88% => OK
STD word duration: 0.16967782432 0.201157623399 84% => OK

Disfluencies: like hesitations, or 'ehn' or taking a long time to pronounce a word:
How many disfluencies: 4.0 8.09623430962 49% => OK
Total_disfluencies_duration: 3.41 6.56692468619 52% => OK
Total acoustic noise duration: 3.45 3.53066945607 98% => OK

Acoustic rates:
Total speech duration: 58.37 59.5455230126 98% => OK
Compare to expected duration: 0.972833333333 0.992425383543 98% => OK
Rate of silence: 0.32550967963 0.681803438845 48% => OK
Rate of speech: 3.13517217749 2.53813033465 124% => OK
Rate of speech by unique words: 1.71320884016 1.55221717717 110% => OK
Rate of word duration by unique words: 2.02101859337 1.99939622689 101% => OK
Average articulation rates: 0.459405120219 0.309613076454 148% => OK

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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.