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[单选题]
A是一个10×10的对称矩阵，若采用行优先的下三角压缩存储，第一个元素a0,0的存储地址为1，每个元素占一个存储单元，则a7,5的地址为（ ）
A
A．25 B．26 C．33 D．34
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D
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余秋雨写《都江堰》一文的意图在于
直接选择排序算法的时间复杂度是______。
用S表示入栈操作，X表示出栈操作，若元素入栈的顺序为1、2、3、4，为了得到1、3、4、2的出栈顺序，相应的S和X的操作序列为______。
在单链表中某结点后插入一个新结点，需要修改_______________个结点指针域的值。
关于栈和队列的说法中正确的是（ ）。
设栈S的初始状态为空，若元素a、b、c、d、e、f依次进栈，得到的出栈序列是b、d、c、f、e、a，则栈S的容量至少是________________。
已知关键字序列为(56，23，41，79，38，62，18)，用散列函数H(key)=key%11将其散列到散列表HT中，采用线性探测法处理冲突。请回答下列问题：
一棵树T采用孩子兄弟链表存储，如果树T中某个结点为叶子结点，则该结点在二叉链表中所对应的结点一定是________________。
指针p1和p2分别指向两个无头结点的非空单循环链表中的尾结点，要将两个链表链接成一个新的单循环链表，应执行的操作为（ ）
对广义表L=((a,b),(c,d),(e,f))执行操作tail(tail(L))的结果是()
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1.
2.
4. Intricately intertwined with(与……错综交织) self-esteem and inhibition and risk-taking, the construct of anxiety, as it has been studied in the psychological domain(领域), plays an important affective role in second language acquisition. Anxiety is almost impossible to define in a simple sentence. It is associated with feelings of uneasiness, frustration, self-doubt, apprehension(恐惧), or worry. Scovel defined anxiety as “state of apprehension, or vague fear…” We all know what anxiety is and we all have experienced feelings of anxiousness. How does this construct relate to second language learning? Any complex task we undertake can have elements of anxiety in it, aspects in which we doubt our own abilities and wonder if we will indeed succeed. Second language learning is no exception to a long list of complex tasks that are susceptible(易受感染的) to our human anxieties.The research on anxiety suggests that, like self-esteem, anxiety can be experienced at various levels. At the deepest, or global level, trait anxiety is a more permanent predisposition(倾向) to be anxious. Some people are predictably and generally anxious about many things. At a more momentary, or situational level, state anxiety is experienced in relation to some particular event or act. As we learned in the case of self-esteem, then, it is important in a classroom for a teacher to try to determine whether a student’s anxiety stems from a more global trait or whether it comes from a particular situation at the moment.Trait anxiety, because of its global and somewhat ambiguously defined nature, has not proved to be useful in predicting second language achievement. However, recent research on foreign language anxiety, as it has come to be known, focuses more specifically on the situational nature of state anxiety.(5分)4.1 The passage mainly talks about ______.(1分)A. anxietyB. inhibitionC. risk-takingD. self-esteem
3.
26．1990年以前，培养法国母育学校教师的机构是
4.
21.Friction is a force which opposes motion. Much of the energy supplied to a complicated machine with many moving parts is wasted in overcoming this opposition. The energy is converted into useless heat. The amount thus lost can be considerably reduced the life of the machine prolonged by careful lubrication. This reduction improves the efficiency of the machine. Another way in which friction is reduced is to substitute roller or ball bearings for the earlier type of bearing, in which the surfaces in contact move by sliding. Bearings of these later types are used very extensively in many kinds of modern machinery.
5.
论述公务员培训施教机构管理工作的内容。
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