几何平均法适合以下哪种情况的预测。（）A、逐期增长率变化较大的近期预测； B、逐期增长

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     The value-packed, all-inclusivesight-seeing package thatcombines the best of Sydney'sharbour, city,

bay and beach highlights.

     A SydneyPass gives you unlimited and flexible travel on the Explorer Buses: the 'red' Sydney Explorer

shows you around our exciting city sights while the 'blue' Bondi Explorer visits Sydney Harbour bays and

famous beaches. Take to the water on one of three magnificent daily harbour cruises(游船). You can

also travel free on regular Sydney Buses, Sydney Ferries or CityRail services (limited area), so you can

go to every corner of this beautiful city.

      Imagine browsing at Darling Harbour, sampling the famous seafood at Watsons Bay or enjoying the

city lights on an evening ferry cruise. The possibilities and plans are endless with a SydneyPass.

Wherever you decide to go, remember that bookings are not required on any of our services so tickets

are treated on a first in, first seated basis.

     SydneyPasses are available for 3, 5 0r 7 days for use over a 7 calendar day period. With a 3 or 5

day pass you choose on which days out of the 7 you want to use it. All SydneyPasses include a free

Airport Express inward trip before starting your 3, 5 or 7 days, and the return trip is valid (有效的) for

2 months from the first day your ticket was used.

     SydneyPass Fares

     *A child is defined as anyone from the ages of 4 years to under 16 years. Children under 4 years

travel free.

     **A family is defined as 2 adults and any number of children from 4 to under 16 years of age from

the same family.

1. A SydneyPass doesn't offer unlimited rides on ______.

A. the Explorer Buses                  

B. the harbour cruises

C. regular Sydney Buses                

D. CityRail services

2. With a SydneyPass, a traveller can________.

A. save fares from and to the airport      

B. take the Sydney Explorer to beaches

C. enjoy the famous seafood for free 

D. reserve seats easily in a restaurant

3. If 5-day tickets were to be recommended to a mother who travelled with her colleague and her

    children, aged 3, 6 and 10, what would the lowest cost be?

A. $225.      

B. $300.    

C. $360.          

D. $420.

立井井筒施工采用伞形钻架配导轨钻机打眼时，炮眼深度宜取（）m。

A.1～2

B.2～3

C.3～5

D.5～6

前提方案必须得到最高管理者的批准。

关于非特异性感染不应出现的病理改变是

A．炎症介质、细胞因子释放
B．血管通透性增加
C．调理素释放不足
D．干酪样坏死
E．形成抗原抗体复合物

根据《机械设备安装工程施工及验收通用规范》的规定，在试运转期间监理工作特别需要注意（）。

A.设备总的试运转方案和各系统试运转方案的编制和审批；没有试运转方案或试运转方案没有进行审批不得进行设备试运转

B.对参与设备试运转的管理人员和操作工人的资质审查，尽量让建设单位、设计单位人员到场参与设备试运转工作

C.重视设备试运转前对各项试运转条件的核查，并作好记录。条件不具备的不得进行设备试运转工作

D.各专业类设备试运转工作除遵守本规范通用规定外，还应遵守各相应专业验收规范的具体操作要求和验收标准

E.督促参与调试的管理人员和操作工人严格按设备试运转方案和规范规定的步骤和内容进行设备试运转