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参考答案：错
下列哪种土的路用性能最差______。
A．砂性土 B．粉性土 C．黏性土 D．砂土
Which of the following is the most appropriate title for the passage
Which of the following is the most appropriate title for the passage A．A New Trend in Global Tourism IndustryB．Global Tourism Industry and EmploymentC．Global Tourism Industry and Marketing CampaignsD．Major Players in Global Tourism Industry
A．A New Trend in Global Tourism Industry
B．Global Tourism Industry and Employment
C．Global Tourism Industry and Marketing Campaigns
D．Major Players in Global Tourism Industry
