创造性,是指与现有技术相比,该发明具有突出的实质性特点和显著的进步,该实用新型具有实质性特点和进步。
课文中”多行不义必自毙“的“毙”,下面解释错误的有:
4. A:Hello, this is Lucy speaking.Is that Li Wei?
B:Hi, Lucy! _______ We are expecting your coming.
A:Thank you! My plane leaves Beijing this afternoon.