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【单选题】
S7-200 定时器的 有 3 种 ,分别是( )
A.
1ms 、 10ms 和 100ms
B.
0.1ms 、 1ms 和 10ms
C.
0.1s 、 1s 和 10s
D.
1s 、 10s 和 100s
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【多选题】野食小哥通过直播将自己生产的牛肉酱,鸡爪等产品大量的销售出去,并对产品的意见与粉丝积极互动,与其他营销方式相比,小哥的营销优势有哪些?
A.
更低的营销成本
B.
更快捷的营销覆盖
C.
更直接的营销效果
D.
更有效的营销反馈
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A.
Snapchat
B.
Yelp
C.
Uber
D.
Wechat
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A.
had better
B.
would better
C.
would like
D.
had best to
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