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问题 选择题

阅读下面语段，按要求回答问题：

美元贬值可以有效提高美国企业的国际竞争力，同时打击其他国家对美出口能力。而促使美元贬值的有效手段就是推高市场的原油价格，使人们对经济前景持______态度，______美元下跌。

填入划横线部分最恰当的一项是：

A．悲观带动

B．观望遏制

C．怀疑阻止

D．乐观导致

答案

答案：A

单项选择题

高钠血症，早期血钾正常，而后下降的主要原因为（）

A.血容量下降

B.血液稀释

C.代谢性酸中毒

D.钾经尿排出

E.呼吸性酸中毒
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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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