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Which of the following is a cybercrime? A. A terrorist threat using guns in a bookstore. B. A terrorist threat using emojis on Facebook. C. A drug deal happened in Australia. D. A drug deal happened in America. 2 What is the expert’s opinion of emojis? A. We should use fewer emojis because of its ugly side. B. We should use more emojis in our everyday communication. C. It’s wrong to use emojis in emails and text messages. D. It’s helpful to use emojis to avoid misunderstanding. 3 Why was English Language Day settled on April 23? A. To celebrate the works of the United Nations. B. To celebrate William Shakespeare’s plays. C. To celebrate William Shakespeare’s birthday. D. To celebrate multilingualism around the world. 4 Which of the following is not an aim of creating Language Days? A. To celebrate multilingualism. B. To celebrate cultural diversity. C. To memorize Shakespeare’s 400th anniversary. D. To promote equal use of UN’s official languages. 5 What is the finding of the study? A. The more languages you speak, the longer you will live. B. The more languages you speak, the worse memory you will have. C. The more languages you speak, the more quickly you will think. D. The more languages you speak, the less likely you will develop cognitive problems. 6 Who took part in the study? A. 320 men and women with an average age of 37. B. 32 men and women with an average age of 73. C. 230 men and women with an average age of 73. D. 30 men and women with an average age of 37. 7 What will be the focus of further studies? A. Whether the protection is limited to human beings. B. Whether the protection is applied to other areas of cognition. C. Whether the protection is applied to younger people. D. Whether the protection is limited to the part of brain of speaking.
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参考答案:
举一反三
【单选题】下面关于线性表的叙述中,错误的是( )。
A.
线性表采用顺序存储,必须占用一片连续的存储单元
B.
线性表采用顺序存储,便于进行插入和删除操作
C.
线性表采用链式存储,可以占用一片连续的存储单元
D.
线性表采用链式存储,便于插入和删除操作
【单选题】以下关于线性链表的叙述错误的是()。
A.
结点除自身信息外还包括指针域,因此存储密度小于顺序存储结构。
B.
逻辑上相邻的结点物理上不必相邻。
C.
可以通过计算直接确定第i个结点的存储地址。
D.
插入、删除运算操作方便,不必移动结点。
【判断题】与门、或门和非门都具有多个输入端和一个输出端。
A.
正确
B.
错误
【单选题】一数学试卷分成两部分:第一部分有20个题目,其中几何题占10%;第二部分有30个题目,几何题占20%。几何题在整个试卷中占百分之几?( )
A.
8%
B.
15%
C.
16%
D.
30%
【判断题】与门、或门和非门都具有多个输入端和一个输出端。
A.
正确
B.
错误
【判断题】过火石灰消解缓慢,故石灰浆在使用之前要进行陈伏。()
A.
正确
B.
错误
【简答题】一数学试卷分成两部分:第一部分有20个题目,其中几何题占10%;第二部分有30个题目,几何题占20%。几何题在整个试卷中占百分之几?( )
【判断题】3-14、传递函数 的反馈滤波器,其直接型结构框图如下图所示。
A.
正确
B.
错误
【单选题】下面关于线性表的叙述中,错误的是()。
A.
线性表采用顺序存储,必须占用一片连续的存储单元
B.
线性表采用顺序存储,便于进行插入和删除操作
C.
线性表采用链接存储,不必占用一片连续的存储单元
D.
线性表采用链接存储,可以动态分配存储空间
【单选题】下面关于线性表的叙述错误的是( )。
A.
线性表使用顺序存储必须占用一段连续的存储空间
B.
线性表采用顺序存储便于插入和删除操作的实现
C.
线性表的存储方式有顺序存储和链式存储
D.
可以用数组实现顺序表
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