婴儿辅助食品添加的原则不包括（）。
A.逐步适应
B.由稀到稠
C.量由少到多
D.首先吃肉
参考答案：D
The special school accepts all disabled students, ____ educational level and background. [ ]
A. apart from
B. regardless of
C. in terms of
D. in addition to
CDMA20001x系统用（）阶Walsh函数进行前向扩频，区分扇区内前向码分信道
A.32
B.64
C.128
D.以上都不对
