第11题: [单项选择]Why can’t the man see the apartment before 5 p. m. that afternoon( ). A. Because he hasn’t signed the lease yet. B. Because he has two appointments that afternoon. C. Because the superintendent will not be available until then. D. Because his wife has to work. 参考答案:C
第12题: [多项选择]国际通行的工程咨询服务的采购方式有( )。 A. 公开招标 B. 单信封招标 C. 邀请招标 D. 直接委托 E. 双信封招标 参考答案:A,C,D 答案解析:本题主要考查工程咨询服务的采购方式。