塑料制品生产的完整工序有哪五步组成？
参考答案：原料准备、成型、机械加工、修饰、装配。
—Would you like to come to my party? —_____________.
A．Yes, I do.
B．Yes, please.
C．Yes, I’d like.
D．Yes, I’d like to.
卵巢良性囊性畸胎瘤最常见的并发症是
A．蒂扭转B．破裂C．感染D．出血E．恶性变
