根据短文内容，选择正确答案。

    Radio, telephone and TV are widely used in the world. When you turn on the radio, you can listen. But when you use telephone, not only can you listen to others but also you can chat with them, however, you can't see anything at all. TV is much better than both of them. People can watch TV and listen to it, but they can’t take part in what they see.

    Today, some people are using a type of telephone called vision-phone（可视电话）. With it, two people who are talking can see each other. It is better than radio, telephone or TV.

    Vision-phones can be of great use when you have something to show the person whom you are calling. It will be helpful in people's life. Some day you may be able to call up a library and ask to read a book on your vision-phone. You may be able to do some shopping too. Perhaps in the future, people will use vision-phone.

国务院印发的《中国制造2025》表明中国正在推进科技创新，加快产业升级步伐。中国需要通过创新在全球发展中保持竞争优势，这说明（    ）

①创新是民族进步的灵魂            ②创新是国家兴旺发达的不竭动力

③创新的根本在于引进国外先进技术  ④创新是提高综合国力的战略支撑

小红即将中考。一天，晚饭后——

妈妈（对小红爸爸）：我们单位今晚有急事，你陪小红复习功课吧。

爸爸：不行啊，我要去见老远来的一位重要客户呢。

妈妈（生气）：你……究竟是客户重要，还是孩子重要？

爸爸：当然是客户重要了。

妈妈：既然你认为客户重要，干脆跟他去过好了！

小红说：____。