题干
Would you please speak ________?
A：not slowly
B：slowlier
C：more slowly
D：most slowly
答案(点此获取答案解析）
C
Would you please speak ________?
A：not slowly
B：slowlier
C：more slowly
D：most slowly
由四条（α1、α2、β1、β2）肽链组成，其中每条α链含氨基酸141