0.614平方千米=______公顷______时______分=423时．

B The Ancient Olympic Games古代奥林匹克运动会
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.

对下面这段话理解正确的一项是[ ]

　　我觉得真正的格物致知精神，不但研究学术不可缺少，而且对应付今天的世界环境也是不可少的。

A．强调应付今天的世界环境比研究学术更重要。

B．强调应付今天的世界环境不能缺少真正的格物致知精神。

C．强调真正的格物致知精神，是研究学术和应付今天的世界环境的源泉。

D．强调研究学术特别是应付今天的世界环境都不能缺少真正的格物致知精神。

黑板并不是光源，但我们却可以从各个方向看到它，这是因为[ ]

A．黑板发出了光

B．光沿直线传播

C．光发生了镜面反射

D．光发生了漫反射

贯通测量中，单井定向有（）

A、联系三角形法

B、串线法、

C、联系三角形法、串线法和陀螺经纬仪定向法

单位活期存款户一般使用复写账页，其对账方式可采用______与______相结合的方法。