第17题:[单项选择]<BR><DIV><TABLEborder=0cellSpacing=0cellPadding=0width="100%"><TBODY><TR><TDvAlign=topwidth="100%"></TD></TR></TBODY></TABLE></DIV><br/>A.Highcreditlimits<br/>B.Highannualfee.<br/>C.Lowinterestrates.<br/>D.Monthlystatements.<br/>参考答案:B 答案解析:[听力原文]
M: Some credit cards are called gold cards because they offer higher credit limits and lowe
第31题: [单项选择]湖泊、水库水质取样,针对大中型湖泊水库,当建设项目污水排放量大于50000m3/d时,三级评价每( ) km2布设一个取样位置。 A. 3~6 B. 4~7 C. 3~7 D. 3.5~7 参考答案:B 答案解析:大中型湖泊水库 当建设项目污水排放量小于50000m3/d时:一级评价每1~2.5km2布设一个取样位置;二级评价每1.5~3.5km2