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《普通住宅小区物业管理服务等级标准》根据普通住宅小区物业服务需求的不同情况，将住宅小区分为哪些级别？

答案

参考答案：

由高到低设定为一级、二级、三级三个服务等级，级别越高，表示物业服务标准越高。

单项选择题

请根据下面短文回答：
Open Time: 9:00 to 17:00 Tuesdays through Sundays(sales stop at 16:00)
Ticket Prices: Full Price: RMB 30; Half Price: RMB 15
Free invitation tickets are distributed every Wednesday and shall not exceed the approved quota. The corresponding policies are:
· 200 invitation tickets are freely distributed to the public every Wednesday.
· Visitors shall go to the bamboo courtyard on the first underground floor east to pick up invitation tickets according to the order of the telephone reservation from 8:30 to 11:00 a.m. every Wednesday.
· Staff of the museum will distribute the 200 free invitation tickets based on the order of the telephone reservation until the quota is used up.
· Visitors shall get the free invitation ticket by using their valid certificate.
Distribution is limited to per person.
· Visitors using the free invitation ticket cannot visit the special exhibitions.
Tickets are only valid on the date indicated.
Year-round Free Admission Policies.
· Retired people with the provision of their certificates of retirement
· Disabled people with the provision of their certificates of disability
· Disabled soldiers with the provision of their certificates of disability
· Staff working in the culture and museum systems with the provision of their employment certificates
· Children less than 120 cm in height and accompanied by adults (those without adult accompaniment will not be admitted and the accompanying adult must purchase a ticket as per regulations)
Routes:
Subway: Muxidi Station, Line 1
Buses: No.1, No.4 and Special Bus No.1 to the stop "Muxidi".
Reservation Telephone: 63370491 63370492

The museum is open______.
[A] from Monday to Sunday
[B] from Tuesday to Sunday
[C] on Tuesday and Sunday
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单项选择题 A1/A2型题

诊断低渗性缺水的依据中，下列不正确的是（）。

A.消化液持续丢失，应用利尿剂未注意补钠盐

B.恶心、呕吐、头晕、视觉模糊、软弱无力、直立性晕倒

C.尿比重常在1.010以下，尿Na+和Cl-明显减少

D.血清钠高于150mmol／L

E.红细胞计数、血红蛋白和血细胞比容及尿素氮值均增高
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