我能给字组更多的词。
柔____ ____ ____
芒____ ____ ____
度____ ____ ____
抵____ ____ ____
根据对话内容回答问题
A: Hello! Is that Mike?
B: No. This is Tom.
A: Hi, Tom. This is John. How are you?
B: Fine, thanks.
A: Is Mike in?
B: Sorry, he isn't. He's at school.
A: OK. Thank you. Bye—bye!
B: Bye!
关于直线m,n与平面α,β，有下列四个命题：①若m∥α，n∥β且α∥β，则m∥n；②若m⊥α,n⊥β且α⊥β，则m⊥n；③若m⊥α,n∥β且α∥β，则m⊥n；④若m∥α，n⊥β且α⊥β，则m∥n．其中真命题的序号是（ ）
CH2CHO
