答案:C
They are talking _______ they were old friends.
A.as if
B.as although
C.even if
D.even though
罗拉握持距应主要依据()来确定,并根据喂入纱条定量及结构综合考虑。
A.纱条中纤维的最长纤维长度
B.纱条中纤维的最短纤维长度
C.纱条中纤维的品质长度
D.纱条中纤维的主体长度