Unit 3. Global warming & Ecological systems

1. Fill in each gap with desert, grassland, swamp, jungle, ponds or ocean. 1. *Choose the word that has a stress pattern different from the others. Then listen and check. 3. Read the text. Complete each sentence with NO MORE THAN FOUR WORDS AND/ OR A NUMBER. 4. Read the text again and answer the questions.

1. Put the verbs in brackets into the Present Perfect. 2. Rearrange the words to make complete sentences. 3. Choose the correct option. 4. Put the verbs in brackets into the Present Perfect or the Past Simple. 5. Form questions using the Past Simple and the Present Perfect. Then complete the short answers.

1. Two friends are talking about a school event. Listen and decide if each of the statements (1-5) is T (True) or F (False). 2. Listen to a lecture about forest fires in Australia. For questions (1-4), choose the best answer (A, B, C or D).

1. a) Match the words in the two columns. b) Use the phrases in Exercise 1a to fill in the gaps and/or choose the correct verb. 2. Rearrange the sentences to make a complete dialogue. 3. *Mark the sentences with the correct intonation. Then listen and check.

1. Read the essay and put the paragraphs (A-D) in the correct order. 2. Complete the table with information from the essay in Exercise 1. 3. a) * Find the phrases from the essay in Exercise 1 and put them under the correct headings. b) * Put the phrases below in the correct headings in Exercise 3.