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问题 单项选择题

结构的设计使用年限是指( )。

A．(A) 指设计规定的结构或结构构件不需进行大修即可按其预定目的使用的时期

B．(B) 为确定可变作用及与时间有关的材料性能等取值而选用的时间参数

C．(C) 结构安全使用年限

D．(D) 结构最小使用年限

答案

参考答案：A

多项选择题

下列关于川菜的描述，正确的有（）。

A.川菜以成都、重庆两地风味为代表

B.以清香、鲜嫩、味佳而著称

C.用料广博，调味多样，菜式繁多，适应面广

D.麻辣、鱼香、味厚，注重调味

E.川菜的味以多、广、厚著称，形成“一菜一格、百菜百味”的风格
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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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