Đề kiểm tra số 3 học kì II môn Tiếng Anh lớp 9 trường THCS Phổ Quang năm học 2015 - 2016

In Western countries, electricity, gas and water aren’t luxuries but (1)…….  Companies now realize that (2)………… want products that will not only work effectively but also save money. For most North American households, (3)……………..accounts for 10 % to 15 % of the electricity bill. However, this amount can be reduced by (4)………………. an ordinary 100 watt light bulb (5)…………………. an energy saving bulb. These bulb use a (6)………………   of the electricity of standard bulbs and last eight times longer. Ultimately, the innovations will save monay as well as conseve the earth’s resouces.