某班将买一些乒乓球和乒乓球拍,现了解情况如下:甲、乙两家商店出售两种同样品牌的乒

题型:解答题

问题:

某班将买一些乒乓球和乒乓球拍,现了解情况如下:甲、乙两家商店出售两种同样品牌的乒乓球和乒乓球拍。乒乓球拍每副定价30元,乒乓球每盒定价5元,经洽谈后,甲店每买一副球拍赠一盒乒乓球,乙店全部按定价的9折优惠。该班需球拍4副,乒乓球若干盒(不小于4盒)。

问:(1)当购买乒乓球多少盒时,两种优惠办法付款一样?

(2)当购买12盒乒乓球时,请你去办这件事,你打算去哪家商店购买?为什么?28盒呢?

考点:一元一次方程的应用比较有理数的大小
题型:解答题

Recently, an Internet game has become a new fashion among young office workers and students. People can "farm" on a piece of "land" and "grow", "sell" or even "steal" "vegetables", "flowers", and "fruits" on the Internet. They can earn some e-money and buy some "seeds", "pets" and even "houses".

Joyce interviewed some young people. Here are their opinions.

Harold: I don't quite understand why they are so mad about the childish game. Maybe they are just not confident enough to face the real world.

Allan: I enjoy putting some "bugs" in my friends' garden and we've become closer because of the game. Having fun together is the most exciting thing about it.

Laura: You know, people in the city are longing for the life in the countryside, It reduces(减少)my work pressure; besides, it gives me the exciting experience of becoming a "thief".

Ivy: Well, it's just a waste of time. Teenagers playing the game spend so many hours on it that they cannot focus on(专注)their study.

小题1:According to the passage, people cannot       things in this game.

A.grow

B.borrow

C.steal

D.sell小题2:Among the people Joyce interviewed,        likes the game while       dislikes the game.

A.Laura; Allan

B.Allan; Harold

C.Harold; Ivy

D.Ivy; Allan小题3:From Laura's words, we can guess that she's most probably      .

A.a student

B.an office worker

C.a farmer

D.a thief小题4:Which is NOT the reason why people like the game?

A.They are longing for country life.

B.They can have fun with friends.

C.The game can relax people and give them a new experience.

D.They are confident enough to face the real world.

题型:解答题

16岁男孩,午饭后遇车祸,腹腔内出血、休克,在快速输血同时准备手术,应选择()

A.椎管内阻滞

B.局部麻醉

C.基础麻醉

D.复合麻醉

E.全身麻醉

题型:解答题

男性,40岁,水肿、少尿1周,BP160/100mmHg,尿蛋白定量2g/24.h,尿红细胞20~30/HP,血肌酐600μmol/L,血CIC(+),肾脏病理:光镜下可见11个肾小球,部分毛细血管狭窄,6个细胞新月体形成,3个纤维新月体,IgG、C3呈颗粒样沉积于毛细血管壁和系膜区。该患者的诊断是()

A.毛细血管内增生性肾炎

B.新月体性肾炎Ⅰ型

C.新月体性肾炎Ⅱ型

D.系膜增生性肾炎

E.系膜毛细血管性肾炎

题型:解答题

漆皮 ( )

题型:解答题

女性,70岁,患“风湿性心脏病二尖瓣狭窄伴关闭不全”10年,长期口服地高辛。近日出现尿少、周身浮肿、恶心呕吐,频发多源室早、嗜睡、黄视等改变(以下2题共用题干)

最佳的治疗方案为( )。

A.抗炎治疗

B.加大洋地黄用量

C.纠正肾功能异常

D.停洋地黄,用苯妥英钠

E.加用利尿剂

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