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【单选题】下列有关盈利能力和发展能力分析的有关说法中,错误的是( )。
A.
企业可以通过提高销售净利率，加速资产周转来提高总资产净利率
B.
一般来说，净资产收益率越高，股东和债权人的利益保障程度越高
C.
企业本年销售收入有所增长，说明销售收入增长率大于1
D.
资本积累率越高，表明企业的资本积累得越多，应对风险、持续发展的能力越强
【单选题】What does the author think of social media as a whole?
A.
It will enable human society to advance at a faster pace．
B.
It will pose a grave threat to our traditional ways of life
C.
It is bound to bring about another information revolution．
D.
It breaks down the final barriers in human communication.
【简答题】1 What is social media? 2 What shapes and forms can s ocial media website content come in ? 3 What are t he most popular types of social media websites ?
【单选题】下列有关盈利能力分析和发展能力分析的有关说法中，错误的是（ ）。
A.
企业可以通过提高销售净利率、加速资产周转来提高总资产净利率
B.
一般来说，净资产收益率越高，股东和债权人的利益保障程度越高
C.
企业本年销售收入有所增长，说明销售收入增长率大于1
D.
资本积累率越高，表明企业的资本积累越多，应对风险、持续发展的能力越强
【单选题】Listen to the dialogue about addiction to social media. Q: What is the implied definition of an addiction to social media?
A.
Keeping up with friends many times a day.
B.
Checking Facebook and Instagram 50 times a day or more.
C.
Not being able to stop checking Facebook and Instagram.
D.
Checking Facebook and Instagram 50 times a day and not being able to stop doing it.
【单选题】What is the author’s greatest concern with social media technology?
A.
Individuals and organizations may use it for evil purposes．
B.
Government will find it hard to protect classified information．
C.
People may disclose their friends’ information unintentionally
D.
People’s attention will be easily distracted from their work in hand
【简答题】字符型数据在程序中书写和键盘输入(屏幕输出)时的形式有何区别?
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