单项选择题 Who can handle the stressful situation for both the meeting planner and the meeting attendees, and bring business to their partner hotels at the same time.A.CVBsB.GovernmentC.Customer

多项选择题 He works in our university as a visiting _______, not as a formal faculty member.选项错误的是A.traditionalB.scholarC.nurseD.pilot

单项选择题 Lincoln Center for the Performing Arts and Columbia University are both located on Broadway.A.对B.错

单项选择题 以下代码的时间复杂度为( )。for(i=1; i<=n; i++){ for(j=1; j<=n; j++) { c[i][j]=0; for(k=1; k<=n; k++) { c[i][j] = c[i][j]+a[i][k]*b[k][j]; } }} A. O(n) B. O(n^2) C. O(n^3) D. O(nlogn)

单项选择题 ABO溶血病好发于O型母亲所生的B型婴儿，A型婴儿次之。之所以好发于B型婴儿是由于B抗原的抗原性大于B抗原。A.对B.错

单项选择题 旅游业的品牌化有利于企业与竞争对手区分开来，影响现实和潜在消费者认知，提高利益相关者收益，形成持久性竞争优势A.对B.错

单项选择题 MCS-51单片机中，引起中断的因素很多，将发出中断申请的外设或内部原因，称为中断源。请问AT89C51单片机的中断源共有几个中断？( )A.3B.4C.5D.7

单项选择题 Which of the following is not one of the basic political systems of our country? （   ） A.The system of regional ethnic autonomyB.The system of community-level self-governanceC.The system of CPC-led multiparty cooperation and political consultationD.The system of people’s congresses

单项选择题 属于下呼吸道的是()A．口腔B．鼻C．咽D．喉E．气管

单项选择题 轮回选择通过对群体中个体的选择和杂交重组，不断打破原有群体的遗传平衡，再通过随机交配使其达到新的平衡使群体中的优良基因频率不断提高，群体不断得到改良。（ ）A.对B.错