You can increase a tyre’s grip in winter by slightly _____ its pressure. A: lowering B: increasing C: generating D: supplementing

A good mixed diet ______. A: normally contains enough vitamins B: still needs supplementing with vitamins C: is suitable for religious fasting D: is often difficult to arrange

When conduct investigation, management consultants should make sure that A: The abstraction of every problem must be based on facts and data. B: After entering the link of analysis and even the judgment link, consultants should continue updating and supplementing the data. C: Consultation experience is sometimes more convincing so that consultants can investigate by experience. D: Consultants should conduct investigation in accordance with professional procedures and methods.