题目

 — I promise her daughter ____ get a nice present on her birthday.   — Will it be a big surprise to her? A. should              B. must          C. would             D. shall 答案：D下列化合物中，不能通过两种单质直接化合制取的是 [     ]A．FeCl3　　　　　　　　　　　 B．CuCl2 C．HCl   D．FeCl2