管制自然垄断企业的必要性包括() A.自然垄断的存在具有经济上的必然性 B.政府需要

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问题:

管制自然垄断企业的必要性包括()

A.自然垄断的存在具有经济上的必然性

B.政府需要维持独家垄断的局面,以保证公众享有最低的生产成本

C.政府要防止自然垄断企业滥用其垄断地位来获取超额利润

D.只有通过国营的方式才能维护公众利益

考点:政府经济学政府经济学题库
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I’m old, but I can still win(赢) many table tennis games. And you will be surprised(惊讶的) when you know my        . I am 105 years old! People say not         people can live so long. They often ask me         I can keep healthy at 105. I think it’s natural(自然的). Everyone can live to 105 if they eat healthily and      .
First of all, I think         is very important. I often have milk and bread for breakfast at about 7:00a.m, Milk and bread give me energy. So I don’t often feel        in the morning. I         eating snacks. I don’t think they are healthy. I have some rice and vegetables for lunch and supper. I don’t eat meat. And         meals, I usually have an apple or a banana. People say an apple a day         the doctor away.
I do some exercise, too. I don’t think I am so old. I play table tennis or badminton with my grandson(孙子) every day. I feel I am young. Do you want         young forever(永远)? I am sure you can if you have a good lifestyle. Just look at me.
小题1:
A.ageB.nameC.addressD.health
小题2:
A.someB.anyC.manyD.few
小题3:
A.whatB.whenC.whereD.how
小题4:
A.play gamesB.get up lateC.eat some meatD.do some exercise
小题5:
A.lunchB.breakfastC.supperD.dinner
小题6:
A.happyB.sadC.hungryD.old
小题7:
A.enjoyB.loveC.likeD.hate
小题8:
A.atB.betweenC.forD.in
小题9:
A.keepB.keepsC.to keepD.keeping
小题10:
A.areB.beC.beingD.to be
题型:多项选择题

下列家庭小实验不能成功 的是(  )

A.用6H铅笔芯代替石墨做导电性实验

B.用小颗粒明矾制明矾大晶体

C.用紫卷心菜自制酸碱指示剂

D.用灼烧闻气味的方法区分棉纤维和羊毛纤维

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投资基金的收益率是通过基金净资产的价值变化来衡量的。( )

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2001年3月,甲商贸公司当月发生几笔购销业务。
(1) 购入货物取得的增值税专用发票上注明的货价金额是200万元;同时,支付货物运输费用,取得的货运发票上注明的款额是3万元。
(2) 销售货物,开具的专用发票上注明的销售价款为500万元;另外,用以旧换新方式向消费者个人销售货物含税售价80万元(已扣除收购旧货支付的款额6万元)。
(3) 外购了一批广告性质的礼品,分送给客户及购货人,取得的专用发票上注明的价款8万元。
假设上述各项购销货物税率均为17%,请计算该商贸公司当月应纳增值税额。

题型:多项选择题

在下列中药制剂中,按照煎煮法制备的液体剂型,用途比较广泛,可以内服和外用的是

A.汤剂

B.酒剂

C.酊剂

D.浸膏剂

E.煎膏剂

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