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【单选题】
These companies succeeded because they were the first companies to make use of the ____________ of the internet and was thought highly of by some experts.
A.
potential
B.
possibility
C.
prejudice
D.
precious
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参考答案:
举一反三
【单选题】下列表面活性剂哪个有起昙现象
A.
司盘-20
B.
磷脂酰胆碱(卵磷脂)
C.
洁尔灭
D.
普朗尼F-68
E.
吐温-80
【单选题】Why do some shoppers use social media on November 11th?
A.
To post pictures of the food they have eaten
B.
To show pictures of what they have bought
C.
To send messages of thanks to shops
【简答题】自动识别系统有三个重要组成,分别是( ) 、( )、( )
【简答题】Why do some shoppers use social media on November 11th?A. To post pictures of the food they have eaten. B. To show pictures of what they have bought. C. To send messages of thanks to shops.
【单选题】心绞痛可放射至
A.
后背
B.
右下肢
C.
左侧腰部
D.
左肩或左臂内侧
【单选题】心绞痛可放射至
A.
左肩和左前臂内侧
B.
右肩
C.
左腰背部
D.
右腰背部
【单选题】下列表面活性剂哪个有起昙现象
A.
司盘-20
B.
磷脂酰胆碱(卵磷脂)
C.
洁尔灭
D.
普朗尼克F-68
E.
吐温-80
【简答题】在自由基反应中化学键发生(    )。 (A) 异裂    (B) 均裂 (C) 不断裂    (D) 既不是异裂也不是均裂
【单选题】Why do some shoppers use social media on Nobember 11th?
A.
To post pictures of the food they have eaten.
B.
To show pictures of what they have bought.
C.
To send messages of thanks  to shops.
【判断题】三相 异步 电动机的起动电流和起动转矩都与电机所加的电源电压成正比。 ( )
A.
正确
B.
错误
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