A.OEMB.SEOC.CEOD.EMP“找客户实操过程”见面课中提到的谷歌搜索引擎优化，是的以下哪个缩写？（……

多项选择题“朋友圈”找客户的方法主要是指以下哪些网站？（）

A.LinkedIn.com
B.Youtube.com
C.Facebook.com
D.Twitter.com

单项选择题If you will send us a catalog by air,we shall（）very much.

A.appreciate
B.appreciating
C.appreciation
D.appreciaeit

单项选择题We（）some brochurs（）to illustrate the procucts we manufactured.

A．enclose,to you
B．enclose you,\
C．enclose,\
D．enclose,you

填空题We are glad that in the past few years,（）joint efforts,have greatly promoted both business and friendship.

填空题As to chemical products we are well connected（）the major producers in America.