按GB7588-2003《电梯制造与安装安全规范》规定，层门电气联锁触点的电路对层门

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

When you are traveling, whether on business or for pleasure, you often need to stay in a hotel.小题1: There are small hotels with very few services, where the prices are low, or there are large hotels with all the very latest comforts, where you could spend all the money you have in the bank for one very comfortable night. 小题2: Some want to live, rather than just stay, in a hotel; the hotels which are designed to meet their needs are called residential(居住的) hotels.小题3: 

小题4: single rooms, for the use of one person, and double rooms, for the use of two people.

In addition, in large hotels, there are also suites(套房), which include two or more rooms connected together---perhaps a bed-room and a living room.小题5:

A．They are for people who are very rich or very important.

B．We have to choose which hotel is suitable for us.

C．The kind of hotel you choose probably is decided above all according to how much money you want to spend.

D．Do you know about the two kinds of rooms?E. However, most people who stay in hotels are either business people or tourists on holiday.

F. In most hotels, there are two kinds of rooms:

G. There are several different kinds of people who go to hotels.

下列关于线程的叙述不正确的是

A．线程是资源分配的基本单位

B．不同的线程可以执行相同的程序

C．每个线程有一个唯一的标识符和一张线程描述表

D．多个线程可以并发执行

酸水解后纸层析可用于确定（）

A.糖和糖连接顺序

B.糖的种类

C.糖和糖连接位置

D.苷键构型

E.糖的定量

在计划审计业务时，调查不会对以下哪项有帮助（）

A.取得业务客户对控制问题的评论和建议

B.取得控制的初步调查

C.确认业务重点的范围

D.评价控制的充分性和有效性

一般材料费用约占工程造价的70%，建筑企业材料管理实行分层管理，一般分为管理层材料管理和劳务层的材料管理。劳务层材料管理的任务主要是管理好领料、用料及核算工作。大部分企业在对物资进行分类管理中，运用了"ABC法"的原则，即关键的少数，次要的多数，根据物资对本企业质量和成本的影响程度和物资管理体制将材料分成了ABC三类进行管理。A类：对工程质量有直接影响的，关系用户使用生命和效果的，占工程成本较大的物资；B类：对工程质量有间接影响，为工程实体消耗的物资；C类：指辅助材料，也就是占工程成本较小的物资。

完全属于C类的一组材料是（）。

A.装饰材料、砂石

B.保温材料、防水材料、安全网、安全帽、安全带

C.油漆、劳保用品

D.工程机械设备、钢材、水泥、木材