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问题 单项选择题

起重机械是一种间歇动作的机械，需要经常宿动和制动。提升机构的制动器既是起重机械的工作装置又是起重机械的安全装置。制动器的作用是（）。

A.支持、制动、落重

B.支持、制动、提升

C.平移、制动、落重

D.支持、提升、落重

答案

参考答案：A

单项选择题

根据营业税法律制度的规定，下列选项中，应当征收营业税的是( )。

A．水利工程单位向用户收取的水利工程水费
B．邮政部门以外的其他单位和个人销售集邮商品
C．单纯销售无线寻呼机、移动电话，而不提供有关的电信劳务服务
D．邮政部门以外的单位和个人发行报刊
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填空题

According to historical records，the first (1) Olympic Games can be traced back to 776 BC.They (2) dedicated to the Olympian gods and were staged on the (3) plains of Olympia.They continued for nearly 12 centuries， (4) Emperor Theodosius decreed in 393 A.D.that aU such"pagan cults" (5) banned.
The oldest myth which concerns the beginning of the (6) Games is that of Idaios Daktylos Herakles.According to other (7) ，Zeus，the father of humanity，fought and defeated Cronus in a (8) for the throne of the gods.Finally，the well-known (9) Herakles is mentioned who staged games in Olympia in honour (10) Zeus,because the latter had helped him conquer Elis when (11) went to war against Augeas.
Through the 12 centuries of (12) Olympic Games，many wonderful athletes competed in the stadium and (13) hippodrome of ancient Olympia’s sacred area，moving the crowds with (14) great achievements.Although mortal，their Olympic victories immortalised them.Of (15) best athletes who left their mark on the sacred vallev (16) Olympia，some surpassed all limits and became legends by winning (17) successive Olympic Games and remaining at the forefront of their (18) for more than a decade.
The ancient Olympic Games were (19) a one.day event until 684 BC.when they were extended (20) three days.In the 5th century B.C.，the Games were extended again to cover five days.
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