增溶剂适宜的HLB值是（）
A.3～8
B.7～9
C.8～16
D.13～16
E.15～18以上
参考答案：E
They _______ in Nanjing since they came to China two years ago.
A．lived
B．have lived
C．live
D．are living
染色其他混纺棉缎布
