Remember to use the device for speaking practice. Or click on [Troubleshoot Recording] button below if facing problems.
You are in free guest mode.
Timed Practice
Revision List
Attempt History
Progress Tracking
Create a free account to unlock these tools
Practice Speaking: Read Aloud
ID: #51796
Medium Windbreaks
Scientists already knew that the output of a single wind turbine could be improved with a windbreak. While windbreaks slow wind speed close to the ground, above the height of the windbreak, wind speeds actually increase as air rushes over the top. But for large wind farms, there's a drawback.
Accuracy Comparison for Reading Scores
Accuracy:
A.I. Scores
Speech Feedback
Your Response:
Sample Answers:
Status: A.I. Engine Standing by...
Comments:
–