# 1เลือกประเภทWhat is spelunking?C. Diving in the seaB. Exploring caves for fun or researchA. Rock climbing on mountainsD. Building caves
# 2เลือกประเภทWhat does the word “spelunker” mean?D. A type of caveA. A scientistC. A person who explores cavesB. A cave drawing
# 4เลือกประเภทWhy do spelunkers wear helmets?A. To look professionalB. To keep their heads warmC. To protect from falling rocksD. To see in the dark