66________

243，199，155，111 ，______ A.66 B.67 C.68 D.77

● ___（66)___ is a device that converts images to digital format. （66)A. Copier B. Print

Paragraph 5______A. Route 66 in American Music.B.

Paragraph 6______A. Route 66 in American Music.B.

Paragraph 7______A. Route 66 in American Music.B.

尼龙－66聚合过程中控制聚合度的方法是______。