“十一五”期间，加强港口建设任务中的有( )。
A．广州—珠海
B．上海—镇江
C．龙岩—厦门
D．上海—南通
E．镇江—连云港
参考答案：A,B,C,E
He was really disappointed to find that he had failed to make himself ______, although he tried his best to describe vividly.
A．pay attention
B．paying attention to
C．paid attention
D．paid attention to
招标实施阶段的工作不包括（）。
A.编制标底
B.草拟合同
C.审核可行性研究报告
D.组织开标、评标、定标，协助招标人定标
