NA表示阿伏加德罗常数,下列说法中正确的是 [ ] A.3.6g重水中所含质子数

题型:选择题

问题:

NA表示阿伏加德罗常数,下列说法中正确的是  [ ]

A.3.6 g重水中所含质子数为2NA         

B.标准状况下,2.24LSO3含有的分子数为0.1N

C.1 L 0.5 mol/L的(NH4)2SO4溶液中含有NA个NH4+

D.1 molMg与足量O2反应生成MgO失去2NA个电子

考点:阿伏加德罗常数
题型:选择题

A Guide to the University

Food

The TWU Cafeteria is open 7am to 8pm. It serves snacks(), drinks, ice cream bars and meals. You can pay with cash or your ID cards. You can add meal money to your ID cards at the Front Desk. Even if you do not buy your food in the cafeteria, you can use the tables to eat your lunch, to have meetings and to study.

If you are on campus in the evening or lat at night, you can buy snacks, fast food, and drinks in the Lower Café located in the bottom level of the Gouglas Centre. This area is often used for entertainment such as concerts, games or TV watching.

Relaxation

The Globe, located in the bottom level of McMillan Hall, is available for relaxing, studying , cooking, and eating. Monthly activities are held here for all international students. Hours are 10 am to 10 pm, closed on Sundays.

Health

Located on the top floor of Douglas Hall, the Wellness Centre is committed to physical, emotional and social health. A doctor and nurse is available if you have health questions or need immediate medical help or personal advice. The cost of this is included in your medical insurance. Hours are Monday to Friday, 9am to noon and 1;00 to 4;30pm.

Academic Support

All students have access to the Writing Centre on the upper floor of Douglas Hall. Here, qualified volunteers will work with you on written work, grammar, vocabulary, and other academic skills. You can sign up for an appointment on the sign-up sheet outside the door two 30 –minute appointments per week maximum. This service is free.

Transportation

The TWU Express is a shuttle() service. The shuttle transports students between campus and the shopping centre, leaving from the Mattson Centre. Operation hours are between 8am and 3pm. Saturdays only. Round trip fare is $1.

小题1:What can you do in the TWU Cafeteria?

A.Do homework and watch TV

B.Buy drinks and enjoy concerts

C.have meals and meet with friends

D.Add money to your ID and play chess小题2:Where and when can you cook your own food?

A.The Globe, Friday

B.The Lower Café, Sunday

C.The TWU Cafeteria , Friday

D.The McMillan Hall , Sunday.小题3:The Guide tells us that the Wellness Centre  _________.

A.is open six days a week

B.offers services free of charge

C.trains students in medical care

D.gives advice on mental health小题4:How can you seek help from the Writing Centre?

A.By applying online

B.By calling the centre

C.By filling in a sign-up form

D.By going to the centre directly小题5:What is the function of TWU Express?

A.To carry students to the lecture halls.

B.To provide students with campus tours

C.To take students to the Mattson Centre.

D.To transport students to and from the stores.

题型:选择题

阅读下列材料:

万急,延安毛 * * 先生勋鉴

倭寇投降,世界永久和平局面可能实现,举凡国际国内各种重要问题,亟待解决特请先生克日惠临陪都,共同商讨事关国家大计,幸勿吝驾,临电不胜迫切悬盼之至。蒋中正

八月十四日

请回答:

(1)毛 * * 为什么要冒风险去谈判?

______________________________________________

(2)从字面上看,蒋介石急于邀请毛 * * 去重庆谈判。他这样做,是否为了“国家大计”“以国家利益为重”?其真实意图是什么?

______________________________________________

(3)毛 * * 赴重庆谈判能改变蒋介石发动内战的既定方针吗?为什么?

______________________________________________

(4)既然阻止不了内战的爆发,毛 * * 还应不应该赴重庆谈判?谈谈你的看法。

______________________________________________

题型:选择题

患儿,8个月,近1周来抽搐3—4次。体检:智力发育落后,表情呆滞,皮肤白嫩,头发黄褐色。脑电图检查有异常,尿三氯化铁试验阳性。其诊断为

A.癫痫

B.黏多糖病

C.先天愚型

D.先天性甲状腺功能低下症

E.苯丙酮尿症

题型:选择题

某组焦炉共有120孔,日产焦炭144孔,则该组焦炉执行的周转时间是()小时。

A、20

B、2

C、23

题型:选择题

2010年房地产开发和销售主要指标完成情况
指标 单位 绝对数 比上年增长%
投资完成额 亿元 48267 33.2
其中:商品住宅 亿元 34038 32.9
其中:90平方米以下住宅 亿元 10665 27.4
房屋施工面积 万平方米 405539 26.6
其中:商品住宅 万平方米 314943 25.3
房屋新开工面积 万平方米 163777 40.7
其中:商品住宅 万平方米 129468 38.8
房屋竣工面积 万平方米 75961 4.5
其中:商品住宅 万平方米 61216 2.7
商品房销售面积 万平方米 104349 10.1
其中:商品住宅 万平方米 93052 8.0
本年资金来源 亿元 72494 25.4
其中:国内贷款 亿元 12540 10.3
其中:个人按揭贷款 亿元 92l1 7.6
本年购置土地面积 万平方米 40970 28.4
完成开发土地面积 万平方米 21254 -7.7
土地购置费 亿元 9992 65.9

2010年全国房地产开发资金来源中,个人按揭贷款约占( )。

A.12.71%

B.17.30%

C.87.29%

D.82.70%

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