同学们，本栏目是对你们学过的知识和生活中常见问题的归纳。其中，有一些共性问题，也许你会需要哦！

让我来帮你解决常见问题！

Question1: Which inventions do you think make people know better about the world?

Answer:

paper:

newspapers, magazines, books, letters…

telescope:

observation of the skies around, astronomy…

bicycle:

faster travel for individuals, greater range of movement…

automobile & airplane:

faster … and greater … than the bicycle…

radio:

coordination of activities, ability to communicate over distance, growth of music industry with increased leisure-time listening, public education, information…

mobile phone / cell phone:

ability to be in touch all the time, to be informed of the latest news…

personal computer:

access to huge quantities of information, e-communication, e-trade, instant access to news…

Question2: How much do you know the Americas?

Answer:

The Americas, or America, are lands in the Western hemisphere, also known as the New World. In English, the plural form the Americas is often used to refer to the landmasses of North America and South America with their associated islands and regions while the singular form America is primarily used to refer to the United States of America.