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Exercise "Environment", created by anonyme (a free exercise to learn English):
Results of the 5 406 people who have taken this test:
Average mark: 39 / 100 Share
Latest member with a 100/100 (perfect mark): ploplo / SWITZERLAND, on Tuesday 31 May - 21:37:
"Thanks a lot for the exercise!!"
They got a perfect mark
Stats (906 candidates)
Question 1 passed: 63 %
The pollution of * effects on human's health.
Question 2 passed: 24.5 %
What is the source of * natural ?
Question 3 passed: 51.7 %
Several * take many people's life each year.
Question 4 passed: 60.3 %
Developing industries is one of the main causes of the climate *.
Question 5 passed: 33.4 %
Exhaust fumes of factories and motor vehicles bring about *.
Question 6 passed: 62.6 %
The * should be interested in improving the environment.
Question 7 passed: 58.1 %
We need to have a * of protecting environment.
Question 8 passed: 63.4 %
The knowledge of environment must be widely *.
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