设计直齿锥齿轮传动时，若采用切向变位可使（） A.齿轮的抗弯强度和接触强度接近相等

汇兑凭证记载收款人为个人的，收款人需要到汇人银行领取汇款，汇款人应在汇兑凭证上注明( )字样。

A．不得退汇
B．不得转汇
C．留行待取
D．收款人单位名称

Eight days for just￥12，000

Departs：May—October 2007

Includes：

● Return flights from 6 China’s airports to Naples

● Return airport to hotel transport

● Seven nights’accommodation at the 3-star Hotel Nice

● Breakfast

● The service of guides

● Government taxes

Join us for a wonderful holiday in one of the Europe’s most wonderful-Naples in Italy if you want to have a nice time in a beautiful small quiet place．The ancient Romans called the city“happy land”with attractive coastline，colorful towns，splendid views and the warm Mediterranean Sea．Your best choice for a truly memorable holiday!

Choose between the peaceful traditional villages of Sant’ Agata，set on a hillside six miles away from Sorrento，or the more lively and well-known international resort town of Sorrento，with wonderful views over the Bay of Naples．

Breathtaking scenery，famous sights and European restaurants everywhere．From the mysterious Isle of Capri to the hunting ruins of Pompeii，and from the unforgettable“Amalfi Drive”to the delightful resorts of Positano，Sorrento and Ravello，the area is a feast for the eyes! Join us，and you won’t be disappointed!

Price based on two tourists sharing a double room at the Hotel Nice．A single room，another￥2，000．A group of ten college students，￥10，000 for each．

Like to know more ? Telephone Newmarket Air Holidays Ltd on：0845-226-7788（All calls charged at local rates）．

小题1:All the following are included in the price of ￥12，000 EXCEPT       ．

A．transport between the airport and the hotel

B．telephone calls made by tourists

C．the service of guides to tourists

D．double rooms for every two tourists小题2:If you don’t like sharing a room with others，you have to pay       ．

A．￥12，000

B．￥10，000

C．￥2，000

D．￥14，000小题3:If you like to visit historical sites，which of the following is your best choice?

A．Amalfi．

B．Sant’ Agata．

C．Pompeii．

D．Sorrento．小题4:Who is the advertisement intended for?

A．Potential tourists．

B．College students．

C．Quiet people．

D．Old people．

钢筋混凝土电杆在线路运行中其杆塔倾斜度不得大于（）

A.5/1000

B.10/1000

C.15/1000

D.20/1000

在C++语言程序中

A．函数的定义可以嵌套，但函数的调用不可以嵌套

B．函数的定义和调用均可以嵌套

C．函数的定义和调用均不可以嵌套

D．函数的定义不可以嵌套，但函数的调用可以嵌套

某高层居民住宅楼正在进行旧房改建，工程由甲建筑装饰装修公司总承包，其中外立面墙壁施工分包给乙公司。乙公司施工队在楼外墙搭建脚手架，对外墙进行节能环保改造，增加隔热层。施工中未对易燃物进行防火处理，4名电焊工只有1名具有上岗证，电焊工人焊接操作不当，引燃易燃材料，造成大楼起火，50多名居民遇难，大火直接经济损失1亿元人民币。

根据我国《安全生产法》规定，生产经营单位主要负责人承担的安全生产职责有( )。

A．建立健全本单位安全生产责任制

B．发生重大生产安全事故时，应立即组织抢险，不得在事故调查期间擅离职守

C．保证本单位安全生产投入的有效实施

D．为从业人员缴纳保险费

E．及时报告安全生产事故