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问题 多项选择题

哪些是牙体缺损修复后引起龈炎的原因（）

A.食物嵌塞

B.咬合不平衡

C.边缘过长

D.边缘不密合

E.光洁度差边缘粗糙

答案

参考答案：A, C, D, E

阅读理解
阅读理解。
                                      Are you looking for 2008 Olympic flat in Beijing?
     My house is 3 kilometres away from Olympic Bird's Nest (鸟巢) and Olympic Forest Park. It has
two bedrooms, one living room, one washroom and one kitchen.
     If you need to have a look, please contact Alice.
     E-mail: xctsy2001@hotmail.com
     Mobile: 13810192828
     Fee: If you rent (租) for at least 20 days during 2008 Olympic Games, the charge is 12 US dollars
a day. If you rent for a whole month, the charge is 10 US dollars a day.

                                         Warm & comfortable flat in Beijing CBD area
     The flat is ten minutes' walk from Water Cube (水立方). It is on the 14th floor with three bedrooms,
one kitchen, one big dining room, one sitting room and one bathroom. A 24-hour store, two coffee bars,
several restaurants and a laundry shop are in walking distance in the area. There are free buses to
Carrefoui, Tesco supermarkets for shopping.
     Contact Clare for details and rent.
     Mobile: 13787766844
     E-mail: lxing29@hotmail.com

                                   Flatmate wanted for a flat close to Olympic Bird's Nest
     I have a two-bedroom flat and I take up the small bedroom myself. Now I am looking for someone
who can take up the big one. I am a girl. I want a girl, too. The flat has wooden floor, broadband
Internet, kitchen ware, and hot water, all for 24 hours. A short-term stay or a long-term stay is OK for
me. The rent for the flat is RMB 1,900 per month, which is cheaper for a longer stay.
     Please e-mail Susan at Jsssusan@126.com or call Susan on 13520197715 if you want to check out
the room.
1. My friend Paul wants to rent a flat with three bedrooms. Who should he contact?
A. Alice.
B. Clare.
C. Tesco.
D. Susan.
2. Anna wants a girl to share a flat with her. Which of the following is the RIGHT way to find the suitable flat?
A. Call Susan on 13520197715.
B. Call Alice on 13810192828.
C. E-mail Clare at bring 29@hotmail.com.
D. E-mail Alice at xctsy2001@hotmail. com.
3. Suppose (假设) you rent a flat near Olympic Forest Park for 25 days during the Olympic Games. How 
    much should you pay?
A. 250 US dollars.
B. 10 US dollars.
C. 300 US dollars.
D. 12 US dollars.
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单项选择题

( )是指那些在项目决策分析与评价过程中涉及的对项目效益有一定影响的基本因素。

A．确定因素

B．不确定因素

C．风险因素

D．社会因素
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