一、根据中文提示完成句子。
1. 过去人们乘慢车。现在他们坐高铁。
In the past, people took slow trains. Now they take .
2. 我妈妈过去在办公室工作。现在她开线上会议。
My mum worked in the office. Now she has .
3. 我们不再读纸质书。我们读电子书。
We don't read paper books any more. We read .

1. high-speed trains 2. online meetings 3. e-books

二、从方框中选择合适的单词补全短文(有一项多余)。
A. high-speed trains B. e-books C. online meeting
D. smartphone E. chat online F. in cash
Changes in Communication and Travel
My grandpa told me about the past. He said, “We wrote letters. We couldn't 1. . We also spent hours on slow buses.” Now, I use my 2. to call him. We often have an 3. on the computer. For travel, we take 4. . We can get to Shanghai in half an hour. My grandpa also learned to read 5. on his tablet. He loves the new life!

1. E 2. D 3. C 4. A 5. B

三、连词成句。
1. now, chat, I, online, friends, with, my (.)

2. high-speed, take, we, trains, can, to, Beijing (.)

3. pays, smartphone, on, she, her, everything, for (.)

4. meeting, had, online, an, yesterday, I (.)

1. I chat online with my friends now. 2. We can take high-speed trains to Beijing. 3. She pays for everything on her smartphone. 4. I had an online meeting yesterday.