将二进制数字信息转化为模拟信号的过程叫（）
A.信道编码
B.调制
C.交织
D.加密
E.突发脉冲的形成
参考答案：B
Thank you so much! But for your text message, I _____ home without my ID card this morning. [ ]
A. would have left
B. would leave
C. had left
D. left
清炖蟹粉狮子头时不能添加______一起炖制。
A．螃蟹肉
B．香菇块
C．笋
D．排骨
