Period 43 - UNIT 7: SAVING ENERGY - Lesson 2 ppt

Ngày tải lên: 03/07/2014, 21:20

Ngày tải lên: 03/07/2014, 21:20

Ngày tải lên: 03/07/2014, 21:20

Ngày tải lên: 03/07/2014, 21:20

Ngày tải lên: 03/07/2014, 21:20

Ngày tải lên: 03/07/2014, 21:20

Ngày tải lên: 03/07/2014, 21:20

... money -& gt; We can use energy -saving bulbs instead of ordinary 100 watt-light bulbs to spend less on lighting -& gt; She will pay US$ 2 for lighting if she uses energy -saving bulbs instead. -& gt; ... phrases 100-watt light bulb Energy -saving light bulbs Electricity bill Freezer Refrigerator Washing machine water Electricity, gas consumers save money electricity bil...

Ngày tải lên: 10/06/2013, 01:26

... also save money. 2. We can use energy -saving bulbs instead of ordinary 100 watts bulbs to spend less on lighting. 3. She will pay only US$ 2 for lighting if she uses two energy -saving bulbs instead. 4. ... scheme? 5. Why should we save energy ? ANSWER THE QUESTIONS / P.61 7 UNIT 7 : READ /P.60, 61 5. efficiency (n) : hieäu quaû Write- it- up • Tell the ways how to save...

Ngày tải lên: 16/06/2013, 01:25

... new words. 2. Make a list of: 2. Make a list of: - things you can do to save energy. - things you can do to save energy. - benefits of saving energy. - benefits of saving energy. 3. Do ... save money. 2. We can use energy -saving bulbs instead of ordinary 100 2. We can use energy -saving bulbs instead of ordinary 100 watt-light bulbs to spend less on...

Ngày tải lên: 22/06/2013, 01:27