2. Listen to the conversation and choose the correct word to complete each sentence.

(Nghe đoạn hội thoại và chọn từ đúng để hoàn thành mỗi câu)

1. Polluted water is unsafe for drinking / cooking and for other uses.

2. Sometimes toxic substances flow into rivers from factories / hospitals.

3. Water pollution has a dangerous / harmful effect on our life.

4. We couldn't / shouldn't throw litter into rivers and lakes.

4. Work in pairs. Read the notice and match the headings (a - e) below with the numbers (1-5).

(Làm việc theo cặp. Đọc thông báo và nối các tiêu đề (a - e) bên dưới với các số (1-5))

(1) ABS Lower Secondary School

NOTICE

(2) 10 March, 20...

School Writing Contest

(3) Our school is organising a writing contest about the environment. Students from all the classes will participate. Interested students should contact the school by 20 March, 20...

Contest details:

Time: 2 p.m.-4p.m,, 5 April

Place: School Grand Hall

Topic: Environmental protection

(4) If you have any questions, please contact us at 031-823-1231 or email abs@fmail.com.

(5) Head Teacher

Dr. Adam Sanders

(signed)

a. Name of institution or organisation (school, etc.)

b. Body (date / time / duration / place, etc.)

c. Date of writing the notice

d. Author's name and signature

e. Contact details