Speaking topics in text
Bioluminescence
Bioluminescence occurs when organisms convert chemical energy into visible light. This happens when a chemical reaction involving oxygen and two other molecules takes place. During this reaction, light of varying colors may be emitted. The great majority of organisms that use bioluminescence are found deep in the oceans depths. This ability to produce light serves a variety of functions. Organisms may use it to do anything from escape their predators
Speaking recording
Votes
This speaking topic by users
| Post dates | Users | rates | Contents |
|---|---|---|---|
| 2013-11-08 | Pinky123 | 85.00 | Check this speaking |
| 2014-04-14 | Ekhlass1980 | 80.00 | Check this speaking |
| 2014-04-14 | Ekhlass1980 | 80.00 | Check this speaking |
| 2016-03-03 | saramhl | 90.00 | Check this speaking |
Speaking category
Speakings by user Pinky123
:
- Speaking topic in text: Using the examples from the lecture, discuss two types of narrators that an author of fiction might use. 85
- For the past few years, the daily campus newspaper has included a one-page international news section covering a few of the major stories in world news. Starting next month, the section will be eliminated. One of the reasons the newspaper editors gave for 90
- http://www.testbig.com/toefl-speaking/q518 85
- question 6 85
- Describe a person from your country s history Why do you think this person was important 90
26 in 30
The second example is short.