在密闭空间作业的职业危害防护的有关规定中，指出在职业活动中可能引起死亡、失去知觉、丧

新斯的明最强的作用是（）

A.兴奋膀胱平滑肌

B.兴奋胃肠道平滑肌

C.缩小瞳孔

D.兴奋骨骼肌

E.增加腺体分泌

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.

没有进行瓦斯抽放的钻场记录牌板需要填写的内容是钻孔施工时间、孔数、（）、钻孔长度、孔径长度、封孔材料等内容。

A、位置

B、地点

C、角度

配制培养基为什么要调节PH，怎样调节？

“大实如羸状”、“至虚有盛候”是说明下述哪项（）

A.虚实转化

B.寒热转化

C.虚实真假

D.寒热真假

E.以上均不是