... problem, have allocated large amounts of land to animals reserves They then charge admission prices to help defray the costs of maintaining the parks, and they often must also depend on world organizations ... it D the reading of the book interested many people 68: Many of the current international problems that we are now facing A lacks of the intelligent capabilities of understanding each other ... other B linguistic incompetences C are because of not understanding themselves D are the results of misunderstandings 69: - Le: “I can’t understand how you missed the exit.” - Linh: “Well, it...
... khí Y dX/Y = 0,8 hiệu suất phản ứng : A 25% B 50% C 70% D 90% Cõu 27: Chất 3-MPCD ( 3-Monoclopropandiol) thờng lẫn nớc tơng gây bệnh ung th chất có công thức cấu tạo : A CH2(OH)-CHCl- CH2(OH)...