According to the text, what is the major cause of the flooding spam? 【 】A.Companies rely on e-mail for communications.B.More people in the world communicate by e-mail.C.Many computer viruses contain spam e-mail.D.More advertisers begin to promote sales th

题目

According to the text, what is the major cause of the flooding spam? 【 】

A.Companies rely on e-mail for communications.

B.More people in the world communicate by e-mail.

C.Many computer viruses contain spam e-mail.

D.More advertisers begin to promote sales through spam.

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参考答案和解析
正确答案：D
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    The book took ten years of thorough research.

    A:basic
    B:careful
    C:social
    D:major

    答案：B
    解析：
    本句意思：这本书经过了10年的细心研究。thorough在此意为“细心的，认真的”，与 careful（细心的）同义。basic基本的；social社会的；major主要的。

  • 第2题：

    【单选题】查询计算机应用技术和软件技术专业成绩大于80分的学生信息的命令是？

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    B．db.students.find({$or:[{$or:[{"major":"计算机应用技术"},{"major":"软件技术"}]},{"score":{$gt:80}}]})

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    Office;WPS;3DMAX;PS;Flash

  • 第3题：

    12、以下程序执行后的结果是： spam = 4 if spam ＜ 5: spam += 1 print（spam)


    34,12

  • 第4题：

    10、以下程序执行的结果是： spam = ['cat', 'bat', 'rat', 'elephant'] spam[1:4]

    A．['bat', 'rat', 'elephant']

    B．['cat', 'bat', 'rat', 'elephant']

    C．['cat', 'bat', 'rat']

    D．['bat', 'rat']


    C

  • 第5题：

    音乐符号major的含义______


    独奏

  • 第6题：

    14、以下程序执行后的结果是： spam = [1, 2, 3, 4] spam.append（5) spam


    11.6；8.3

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