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【多选题】
按照交易主体的类型分类,可将电子商务分为( ) 。A.
B2B
B.
B2C
C.
C2C
D.
C2G
E.
B2G
拍照语音搜题，微信中搜索"皮皮学"使用
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【单选题】Which element needn’t to consider before writing a business document? ( )
A.
the purpose
B.
the audience
C.
voice and tone
D.
weather
【单选题】When you are writing a business email, you should NOT to:
A.
Write a concise and clear subject.
B.
Give a name to your attachment.
C.
Complete the headings.
D.
Make it longer than three paragraphs.
【单选题】When you are writing a business email, you should not to:
A.
Write a concise and clear subject.
B.
Give a name to your attachment.
C.
Complete the header.
D.
Make it longer than three paragraphs.
【简答题】Android中新建.java文件应该放在()文件夹下
【单选题】When you are writing a business email, you should not to:
A.
write a concise and clear subject.
B.
give a name to your attachment.
C.
complete the headlines.
D.
make it longer than three paragraphs.
【单选题】一角接触球轴承，内径85mm，宽度系列0，直径系列3，接触角15度，公差等级为6级，游隙2组，其代号为____。
A.
7313B/P62
B.
7317AC /P6/C2
C.
7317C /P6/C2
D.
7317C /P62
【简答题】Android中新建.java文件应该放在()文件夹下
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