第17题: [单项选择]According to the news item,________. A. both the dollar and the euro were strong B. both the dollar and the euro were weak C. the dollar was strong while the euro was weak D. the dollar was weak while the euro was strong 参考答案:B
第18题:[多选题]站点规划的过程包括: A. 勘察准备 B. 信息收集 C. 信息验证 D. 结果确认 参考答案:ABCD