①2mL淀粉溶液+2mL唾液,37℃,5min
②2mL淀粉溶液+2mL清水,37℃,5min
③2mL淀粉溶液+2mL稀释唾液,37℃,5min
④2mL淀粉溶液+2mL唾液,95℃,5min
⑤2mL淀粉溶液+2mL唾液+3滴盐酸,37℃,5min.