A：单位商品价值量减少，该企业在同样时间内创造的价值总量增加
B：单位商品价值量不变，该企业在同样时间内创造的价值总量增加
C：单位商品价值量增多，该企业在同样时间内创造的价值总量减少
D：单位商品价值量不变，该企业在同样时间内创造的价值总量减少
My parents want to take me to visit Beijing this summer holiday. I want to plan a good trip. So I must learn something about Beijing on the Internet. Beijing is a beautiful city. Autumn is the best season. There are many places of interest in Beijing. We want to visit the Great Wall, the Palace Museum and the Summer Palace. Beijing Duck is very famous all over the world. I hope I could have a try.
We can get to Beijing by train. I want to buy a gift for my good friend. I also want to send a postcard to my teacher. I think I will have a great holiday.
下列句子中，没有错别字的一句是（ ）
