1．(2017·全国卷Ⅰ)Pushchairs and wheelchairs are available to ____________ (租用) at the Information Desk and Denny Way entrance.
答案：rent
2．A____________ (调解员) is a person who tries to get agreement between people or groups who disagree with each other.
答案：mediator
3．The place is ____________ (庞大的)—larger than any building I’ve ever seen.
答案：enormous
4．The following ____________ (图表) suggested that a large number of high school students haven’t enough sleep.
答案：chart
