以下经济学家曾对税收原则作过阐述的有（） A.威廉•配第 B.攸士第 C.亚当•斯密 发布时间：2018-02-16 04:52 │ 来源：www.tikuol.com 题型：多项选择题 问题： 以下经济学家曾对税收原则作过阐述的有（）A.威廉•配第B.攸士第C.亚当•斯密D.萨伊E.瓦格纳
题型：多项选择题 完形填空。 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.breakB．largeB．duringB．mustB．extraB．completelyB．including B．always B．please B．pretendB．rather thanB．familiarB．turn B．measure B．allB．closest B．farther B．anxiety B．lostB．hardly B．removeC．no C．since C．shouldC．realC．narrowly C．despiteC．never C．shockC．need C．because of C．newC．replyC．matchC．some C．first C．bigger C．puzzlementC．wonC．nearly C．takeD．limited D．before D．wouldD．regularD．probably D．withD．seldom D．bother D．askD．according toD．easyD．callD．take D．none D．final D．longerD．anger D．arrivedD．only D．set 查看答案
题型：多项选择题 在其他因素不变的条件下，下列哪些情况将引起真实利率降低（）。A.OPEC操纵石油价格上升B.中央银行提高再贴现率C.经济进入持续衰退阶段D.社会的储蓄倾向普遍提高E.在失业率较低时政府仍然扩大支出 查看答案
，都是线性方程组Ax=0的解，则矩阵A为（）