对于实行邀请招标方式的工程项目，招标人应当（）。
A．在国家指定的媒体上发布招标公告
B．向3家以上符合资质条件的投标人发出投标邀请书
C．向5家以上符合资质条件的投标人发出投标邀请书
D．向社会公众明示招标要求
参考答案：B
解析：
AD选项均为公开招标要求，而非邀请招标;C选项错在数量，向3家以上服药资质条件的投标人发出投标邀请书即可，不一定要5家以上。
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| I was coaching girls’track in Iowa and there was a young discus (铁饼) thrower on the team with__1__potential (潜力)．Here goes her story. At the end of our training__2__the district track meet，this discus thrower，Lucy， asked me if she__3__come to the school on Sunday for a little__4__training. I agreed.The year before，she had placed second at the district meet and__5__missed going to the state meet.She had won every discus event，__6__that district meet！And， her throws in the competitions had__7__been between 106′1〞and 110′10〞.Something began to__8__me.Why couldn’t Lucy__9__to get the discus to 111 feet？I wondered if it was more a psychological barrier (心理障碍)__10__a physical one.I decided to try something__11__.I made up my mind to__12__to Lucy. On Sunday，after her drills，I said，“Why don’t you throw five or six good ones for me to__13__？”She began to throw again，but__14__were farther than what she had already thrown.But，I didn’t tell Lucy.As I was measuring the__15__one，I pulled out some more tape (卷尺) and yelled out to her，“Come to see this！This one is__16__！” It wasn’t.Lucy，thinking that this was a personal best，jumped wildly into the air in__17__. The next afternoon，at the district meet，Lucy__18__with a personal best throw of 114′10〞！Just 24 hours after I had lied to her.However，this time she had__19__thrown the discus four feet further than she had ever thrown it before. Sometimes we__20__our own barriers in our mind.So learn to take control of your mind. | |||
| ( )1.A.little ( )2．A.after ( )3．A.could ( )4．A.helpful ( )5.A.luckily ( )6．A.except ( )7．A.sometimes ( )8．A.frighten ( )9．A.seem ( )10．A.apart from ( )11．A.impossible ( )12．A.lie ( )13．A.look ( )14．A.many ( )15．A.worst ( )16．A.higher ( )17．A.excitement ( )18．A.disappeared ( )19．A.actually ( )20．A.break | B．large B．during B．must B．extra B．completely B．including B．always B．please B．pretend B．rather than B．familiar B．turn B．measure B．all B．closest B．farther B．anxiety B．lost B．hardly B．remove | C．no C．since C．should C．real C．narrowly C．despite C．never C．shock C．need C．because of C．new C．reply C．match C．some C．first C．bigger C．puzzlement C．won C．nearly C．take | D．limited D．before D．would D．regular D．probably D．with D．seldom D．bother D．ask D．according to D．easy D．call D．take D．none D．final D．longer D．anger D．arrived D．only D．set |