Item |
Installation Cost |
Annual Saving |
Loft insulation |
£130~200 |
31.______ |
Cavity wall insulation |
from 32.______ |
£100 |
Energy-saving 33.______ |
not given
[填空题]{{B}}SECTION 2 Questions 11-20{{/B}}
{{B}}Questions 11-15{{/B}} Where are the problems of getting to Mars going to be studied Answer the following questions using {{B}}NO MORE THAN THREE WORDS AND/OR A NUMBER{{/B}} for each. 我来回答: 提交
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