鉴别版本有哪些常用的方法。
题型：问答题 简答题
问题：
鉴别版本有哪些常用的方法。
题型：问答题 简答题
 | LOOK! This is the Shanghai-Hangzhou high-speed (高速的) train. It started running on October 26. It goes at a speed of 350 km an hour. It is faster than the usual high-speed train. Before, it took one hour and 18 minutes to get from Hangzhou to Shanghai. Now, it takes only 45 minutes. People feel like they are flying when they ride the train. The price of the ticket is 156 yuan for a first-class seat and 98 yuan for second-class. |
 | The pictures in a book can move! Can you believe it? The first 3D storybook comes out in Finland. It looks the same as other children's books. But it has small black squares on some pages. When you put a webcam (网络摄像头) on it, the computer shows 3D pictures. They look like real life things. Children have a lot of fun reading in 3D! |
 | The 1.58-meter-tall robot HRP-4C can sing and dance. Made by Japanese, HRP-4C has 38 motors (发动机) in her face and body so she can walk, smile and move her arms. |
| 1. We can find these three short passages by _____. A. reading newspapers B. listening to music programs C. watching travel programs 2. You can save _____ minutes by taking the Shanghai-Hangzhou high-speed train. A. 45 B. 33 C. 26 3. The underlined sentence in Part 2 tells us _____. A. the 3D storybook can move B. the 3D storybook has a webcam C. the 3D storybook is different from other books 4. From Part 3 we can learn that _____. A. Robot HRP-4C has 58 motors B. Robot HRP-4C was made in China C. Robot HRP-4C is as tall as a real person | |