Analysis of test questions: Malaysia in Southeast Asia is the world's largest producer of palm oil, and Thailand is the world's largest producer of rubber. Therefore, palm oil and natural rubber may increase in Southeast Asia's exports to China.

Comments: This topic can also be investigated in Thailand, Vietnam and Myanmar: important rice exporters in the world. Philippines-the world's largest producer of bananas and cannabis and exporter of coconuts. Indonesia-the largest coconut producer in the world. Indo-China Peninsula is characterized by crisscross of mountains and rivers and vertical distribution. Cities are mainly distributed along rivers and estuary deltas; Major rivers: (Nujiang) salween, (Lancang) Mekong River, Red River and Chao Phraya River. Areas where overseas Chinese are concentrated; Rich tourism resources: ① Xinmatai tourist hotline. ② Shwedagon Pagoda in Yangon, Myanmar, Borobudur in Indonesia, Angkor Wat in Cambodia, Water Market in Bangkok, Thailand, Halong Bay in Vietnam, Garden City in Singapore and Lion City.