3. Word formation: Give the correct form of the words in brackets.
1. When people can understand clearly the environmental impacts, they will be more aware of conserving
forests. (environment)
2. Because of __deforestation ( nạn phá rừng )_____ , there may be no place for wild animals in the near future. (deforest)
3. __global( adj/ toàn cầu )_____ warming is said to be one of the reasons for polar ice melting. (globe)
4. Because non-renewable resources are being consumed at a rapid rate, human beings are likely to face fossil
fuel ___depletion(n/ cạn kiệt )_____. (deplete)
5. Working as a volunteer provides you with opportunities to know more about cultural __diversity(n/ sự đa dạng )____ (diverse)
6. Air ____pollution (n/ sự ô nhiễm )____ can cause acid rain which damages water, soil and vegetation. (pollute)
7. The overuse of chemical fertilizers can lead to the decrease of soil __fertilizer(n/ phân bón )____. (fertilize)
8. Oil is also considered to be one of the _____pollutants(n/ chất thải )___ which make the water unclean. (pollute)
9. The ___destruction ( sự phá hủy) _____ of ecosystem of lakes, rivers, seas and forests must be prevented. (destroy)
10. The threat of contaminated environment is becoming ___increasingly(adv/ gia tăng )___ serious. (increase)
3. Choose the best answer.
1. Overusing chemical sprays and fertilizers makes land arid and vegetation harmful to human health. The underlined word has the closest meaning to:
A. very dry B. very wet C. stormy D. rainy