What is the effective solution to prevent death from drowningTo teach the babies to ______ .
举一反三
- What is a particularly effective solution to the problem
- What are the contents of home health care for newborn babies? A: family visit B: proper feeding C: daily care D: prevent disease
- What is the major reason to prevent some people from being successful?
- When the preparation of SnCl2 solution, HCl solution is often added to prevent hydrolysis.
- What should parents do to prevent playground injuries（） A: They should help maintain the equipment. B: They should keep a watchful eye on their children. C: They should stop their children from climbing ladders. D: They should teach their children how to use the equipment.