سؤال ۱۶، زبان انگلیسی ۳، شهریور ۱۴۰۵، عصر

برای پاراگراف زیر، یک جمله موضوعی (topic sentence) و یک جمله نتیجه‌گیری (concluding sentence) بنویسید.Solar collectors (62) ...... . They change the energy that comes from the sun into electricity. They can provide power for watches, highway signs, houses and even space stations. They also help keep the environment clean as they don’t produce any pollution. Solar collectors are widely used in many countries around the world to keep cities and villages clean. Therefore, (63) ...... .