Read the sentences and underline the stressed words. (2 pts)

(Đọc các câu và gạch chân những từ được nhấn mạnh.)

1. Nearly ninety per cent of all carbon dioxide emissions produced by humans come from burning of fossil fuels.

2. Forests store carbon in the trees and soil and help reduce the global temperature.

Read the sentences and underline words with elision. (2 pts)

(Đọc các câu và gạch chân các từ có hiện tượng nuốt âm.)

3. Everyone in my family loves chocolate.

4. People have different opinions about how history should be taught at schools.