UNIT 5.What is Happiness?①According to the dictionary, happiness is a mental state of well-being, involving a range of positive emotions, from simple ..
Unit 4.① Japan is famous for its advances in robotic.일본은 로봇 공학의 발전으로 유명하다.Perhaps one reason for this is the much-celebrated robot Astro Boy, created ..
Unit 4.① For most of us, social networking has become an essential part of our lives.우리 대부분에 있어, 소셜 네트워킹이 우리의 삶에 필수적인 부분이 되었다.We wake up and read our ..