Listening Test 1 Part 4.2 Welcome to your Listening Test 1 Part 4.2 Questions 33-40Complete the notes below.Write ONE WORD AND/OR A NUMBER for each answer. The Underground House Design - Built in the earth, with two floors- The south-facing side was constructed of two layers of 33- Photovoltaic tiles were attached- A layer of foam was used to improve the 34 of the building Special features - To increase the light, the building has many internal mirrors and 35 - In future, the house may produce more 36 than it needs- Recycled wood was used for the 37 of the house- The system for processing domestic 38 is organic Environmental issues - The use of large quantities of 39 in construction was environmentally harmful- But the house will have paid its 'environmental debt' within 40 Time's up
