例句與造句

1. Using the learning community technology , the author constructed a learning model of thematic learning community on internet among middle schools . then choosing several complex concepts - air temperature , light shadow , light pollution from middle school physics book as learning topic , the author carried out two turns of action research in several middle school class in different areas
   本研究以初中物理為實踐學(xué)科，選取了“氣溫” 、 “光影” 、 “光污染”等幾個復(fù)雜概念作為學(xué)習(xí)主題，以行動研究的方式，在不同地區(qū)的幾所8年級中學(xué)生中開展了為期8個月的兩輪應(yīng)用研究。
2. It's difficult to find physics books in a sentence. 用physics books造句挺難的