涉及房屋建筑和市政基础设施工程施工招标的项目，评标委员会应推荐不超过（）名有排序的合格中标候选人。
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Professor smith and Professor Brown will ________ in giving the class lectures.
A. alter
B. change
C. alternate
D. differ
Which of the following can best sum up the passage？
Advantages and disadvantages of automation.
B. Labour and the effects of automation.
C. Unemployment benefit plans and automation.
D. Social benefits of automation.
Which of the following was the author’s wrong focus when he attempted to help students achieve ？
A. He tired to make everything take care of itself.
B. He tried to recognize those underprepared students.
C. He organized sufficient interactions between students and faculty.
D. He helped the prepared students meet their professors’ faulty expectations.
根据国务院有关部门已经制定发布的工程施工、货物、服务以及机电产品国际招标投标等管理办法的规定，除了《招标投标法》的规定之外，招标文件中的实质性要求和条件还应当包括（）。
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