题目内容

慢性菌痢是指()

A. 病程超过2周
B. 病程超过1个月
C. 病程超过2个月
D. 病程超过半年
E. 病程超过1年

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Questions 1 to 5 are based on an interview. At the end of the interview you will be given 10 seconds to answer each of the following five questions. Now listen to the interview. Which of the following posture is NOT appropriate according to Mrs Miller

A. Shake hands firmly.
B. Rest elbows on the interview table.
C. Speak politely and naturally.
D. Put briefcase on the floor beside the chair.

前间壁心梗心电图改变出现在()

A. V1、V2
B. V7、V8、V9
C. V3、V4
D. Ⅰ、aVL
E. Ⅱ、Ⅲ、aVF

试编写算法判断两棵二叉树是否等价。若二叉树T1和T2等价,则T1和T2都是空的二叉树,或T1和T2的根结点的值相同,并且T1的左子树与T2的左子树是等价的,T1的右子树与T2的右子树是等价的。

以下程序段的时间复杂度为______。 for(i=0;i<n;i++) for(j=0;j<m;j++) A[i][j]=0;

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