制备复方硫黄洗剂加入甲基纤维素的主要作用是()
A.乳化
B.絮凝
C.润湿
D.助悬
E.分散
参考答案:D
世界贸易组织总部设在( )
A.日内瓦
B.纽约
C.香港
D.雅加达
I went to the aquarium ancl found there________ lots of sharks. [ ]
A. is
B. are
C. was
D. were