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【多选题】
请问企业网络营销实战中推广的形式有哪些?A.
网站策划与网络广告
B.
搜索引擎营销与许可Email营销
C.
微信微博营销、软文营销
D.
病毒营销销、事件营销等
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举一反三
【单选题】This kind of machines were made ______. [ ]
A.
in the 1950s
B.
in the 1950
C.
in 1950s
D.
in 1950's
【单选题】In the mid-1950s, Leontief discovered that:
A.
the capital to labor ratio was lower for American imports than exports.
B.
a representative basket of American imports embodied more labor and less capital than one of American exports.
C.
US exports were more labor-intensive than its import-competing goods.
D.
U.S. imports were labor-intensive.
【判断题】外螺纹的画法,螺纹的大径(牙顶径)用粗实线绘制,小径(牙底径)用细实线绘制,并应画入倒角区,一般将小径画成大径的0.85倍,螺纹终止线用粗实线表示。
A.
正确
B.
错误
【简答题】反射弧的组成包括 ____ 、 ____ 、 ____ 、 ____ ____ 。
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