Test Analysis: This question examines students' understanding of Shouguang, the hometown of vegetables in China. According to their understanding, China (Shouguang) International Vegetable Science and Technology Expo (hereinafter referred to as "Vegetable Expo") was founded in 2000, co-sponsored by People's Republic of China (PRC) Ministry of Agriculture, Ministry of Commerce, Ministry of Science and Technology and Shandong Provincial People's Government, and held regularly in Shouguang Vegetable High-tech Demonstration Park in Shandong Province from April 20th to May 20th every year. Vegetable Expo is an annual meeting officially approved by the Ministry of Commerce of People's Republic of China (PRC), and it is the only international vegetable exhibition in China. So, students from Class 1, Grade 8 of a school went to visit together during the May Day holiday this year. The place they have been to should be Shouguang, and the topic is B.

Comments: This question is less difficult. Examining students' memory ability of historical knowledge, Shouguang's agricultural tourism is popular, and the tourism pulling effect is more obvious. The features of the main exhibition area and the 1 1 sub-exhibition area of the 2065438 Food Expo left a deep impression on every visitor. A vegetable picking garden with a total area of 20,000 square meters has been specially built, which integrates sightseeing, picking, tasting and purchasing, allowing tourists to appreciate the customs of the vegetable country and experience the fun of picking and harvesting. The tour of agricultural high-tech demonstration park, the tour of leading agricultural enterprises, the tour of characteristic villages and the tour of water conservancy and forestry have formed the "one-day tour" and "two-day tour" tour routes of vegetable villages.