Some people attempt to reduce life, mind and spirit to the quantitative ______ of physics, chemistry and mathematics.

单项选择题Jack: I'm sorry, but I can't find the magazine you lent me. Mike: Jack: I really feel bad about it. Let me buy you a new one. Mike: No. I won't dream of letting you do that.

单项选择题To be a leader, you should know how to call the ______.