下列哪项关于骨关节炎的描述是错误的()A.主要病变是关节软骨的退行性变和继发性骨质增

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问题:

下列哪项关于骨关节炎的描述是错误的()

A.主要病变是关节软骨的退行性变和继发性骨质增生

B.多见于中老年人,女性多于男性

C.可长期使用皮质激素类药物进行关节内注射

D.X线片显示关节间隙狭窄,关节边缘有骨赘形成

E.原发性骨关节炎多见于50岁以上的肥胖者

考点:骨外科(医学高级)非化脓性关节炎非化脓性关节炎题库
题型:单项选择题

Rent(出租)a room

Spare room? Not only will a lodger (房客) earn you some money, but also, thanks to the government-backed “rent a room” program, you won’t have to pay any tax (税) on the first £4,500 you make per year. Try advertising your room on Roomspare or Roommateeasy.

Make money during special events

Don’t want a full-time lodger? Then rent on a short-term basis (基础). If you live in the capital, renting a room out during the Olympics or other big events could bring in money. Grashpadder can advertise your space.

Use your roof (屋顶)

You need the right kind of roof, but some energy companies pay the cost of fixing solar equipment (around£14,000), and let you use the energy produced for nothing. In return, they get paid for unused energy fed back into the National Grid. However, you have to sign a 25-year agreement with the supplier (供应商), which could prevent you from changing the roof. 

小题1:If you earn £5,000 from renting a room in one year, the tax you need to pay will be based on ________.

A.£300

B.£500

C.£4,500

D.£5,000小题2:If you want to use energy free, you have to ________.

A.sign an agreement with the government

B.pay around £14,000 for the equipment

C.sell the roof to some energy companies

D.keep the roof unchanged for within 25 years小题3:Who would most like to read the passage?

A.Lodgers.

B.Advertisers.

C.House owners.

D.Online companies.

题型:单项选择题

按形成资产的性质不同,投资可分为( )。

A.重置投资和净投资

B.生产性投资和非生产性投资

C.公益性投资和经营性投资

D.流动资产投资和固定资产投资

题型:单项选择题

向盛有硫酸铜水溶液的试管里加入氨水,首先形成难溶物,继续添加氨水,难溶物溶解得到深蓝色的透明溶液。下列对此现象说法正确的是(   )

A.反应后溶液中不存在任何沉淀,所以反应前后Cu2+的浓度不变

B.沉淀溶解后,生成的深蓝色配合离子[Cu(NH3)4]2+一定难电离

C.向反应后的溶液中加入过量盐酸,无任何现象发生

D.在[Cu(NH3)4]2+离子中,既存在离子键,又存在共价键

题型:单项选择题

慢性胃炎的预防正确的是()。

A.酗酒无影响

B.鼻咽部存在的慢性感染无影响

C.避免长期服用非甾体类消炎药物

D.与慢支病人痰液咽下无关

E.可吸烟

题型:单项选择题

“应收账款”账户借方期初余额为2 500元,借方本期发生额为1 500元,贷方本期发生额为3 000元,则该账户期末余额为( )。

A.借方:6 000元

B.借方:1 000元

C.贷方:1 000元

D.贷方:3 000元

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