世界银行贷款项目货物、工程采购和招标的主要方式中,竞争力最强的是( )。
A.有限国际招标
B.国际竞争性招标
C.国内竞争性招标
D.直接签订合同
参考答案:B
下列各项中,______符合成本类科目记账规则。
A.增加额记借方 B.增加额记贷方C.减少额记借方 D.期末余额在贷方
We must do something to _____ the factories sending out poisonous gases so as to keep the
city_____. [ ]
A. keep; being polluted
B. keep; from being polluted
C. prevent; being polluted
D. prevent; from being polluted