第17题: [单项选择]______, the guest speaker was ushered into the auditorium hall to give the lecture. A. Being shown around the campus B. Having shown to the campus C. After been shown around the campus D. Having been shown around the campus 参考答案:D 答案解析:因为在was ushered into the auditorium hall之前就发生了be shown around the campus这一动作,所以应该用完成时的被动语态。D项为正确答案。
第22题:[简答题]<BR><BR><DIV></DIV><TABLEcellSpacing=0cellPadding=0width="100%"border=0><TBODY><TR><TDvAlign=topwidth="100%"></TD></TR></TBODY></TABLE><br/>参考答案: 答案解析:过去20年内,随着现代技术的迅速发展,与因特网有关的犯罪活动显著上升,我国政府呼吁国际社会携手合作,遏制这一不良势头。
[听力原文]
With the rapid development of m