A) invariably B) literally C) barely D) solely
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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。
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.
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