Task 1. The words in the box all appear in the passase. Fill each blank with a suitable word. (Những từ trong khung xuất hiện trong đoạn văn. Điền vào chỗ trống với một từ thích hợp.)

pollutants                     decreasing                protect

interference                  extinct                      endangered

1. Dinosaurs became ______ millions of years ago.

2. She tried to ______ herself from the wind.

3. This species of bird is ______ in numbers every year.

4. The chemical ______ from cars and factories make the air, water and soil dangerously dirty.

5. The blue whale is a(an) ______ species.

6. Because of the ______ of human beings, many animals have become extinct.

Answer

1. Dinosaurs became extinct millions of years ago.

2. She tried to protect herself from the wind.

3. This species of bird is decreasing in numbers every year.

4. The chemical pollutants from cars and factories make the air, water and soil dangerously dirty.

5. The blue whale is a(an) endangered species.

6. Because of the interference of human beings, many animals have become extinct.