皮肤来源于（）
A.外胚叶和中胚叶
B.外胚叶和内胚叶
C.中胚叶和内胚叶
D.外胚叶
E.中胚叶
参考答案：A
Pop music is such an important part of society_______ it has even influenced our language.
A．as
B．that
C．which
D．where
南通港“（）”的企业价值观。
