请先阅读下面短文，掌握其大意，然后根据短文内容从下面方框内的七个选项中，选择五个还原到文中，使短文意思通顺、结构完整，并在答题卡上将其序号涂黑。

Humans’ Greatest Achievements

     The Earth is 4.5 billion years old, but the human race has lived on it for just 200,000 years. In that short time, we have achieved some amazing things.

    ____ The list is almost endless. The invention of the airplane has changed our lives. The discovery of antibiotics (抗生素) has saved the lives of millions of people. Can you imagine living without electricity? What about the printing press (印刷术)? Without the printing press, you wouldn’t be reading this. In the last 50 years, there have been great achievements in communication, such as radio, TV, computers, the Internet, and smartphones (智能手机). ____

    What about the arts? The arts have brought pleasure to many people, but are the Beatles and Bach more important than antibiotics? ____

Finally, we must not forget humans' early achievements. ____ We can't imagine modern life without cooked food and cars.

    What are humans' greatest achievements? To answer the question, we need to decide what we mean by “great”. ____ Or is it just something that makes us say “Wow,” like the Great Wall? What do you think?