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问题 单项选择题

女，6个月，腹泻3天，中度脱，水伴酸中毒，经液体疗法10小时后有尿但精神萎靡，呼吸较前变浅,心率160次/分，心音低钝，腹胀，肠鸣弱，血清钠135mmol/L,应考虑

A．高钾血症
B．低镁血症
C．低钾血症
D．低钠性脑水肿
E．低钙血症

答案

参考答案：C

解析：低钾血症的临床表现有：神经肌肉兴奋性降低，表现为骨骼肌、平滑肌及心肌功能的改变，如肌肉软弱无力，重者出现呼吸肌麻痹或麻痹性肠梗阻、胃扩张；膝反射、腹壁反射减弱或消失；出现心律失常、心肌收缩力降低、血压降低、甚至发生心力衰竭等。

单项选择题

German Chancellor Angela Merkel won over German voters in the Federal Election on Sept. 27. Can she now be won over by a French charm offensive (1) at repairing the relationship that was once at the heart of Europe That’s the question being asked in Paris, (2) top government officials are (3) talking about their desire to rekindle closer ties (4) their neighbors across the Rhine. (5) the end of World War II the Franco-German relationship has been the motor of European integration, the (6) force behind the creation of the European Union and, more recently, the introduction of the euro. But the ardor has (7) in this decade, particularly under Merkel, who has regularly struggled to (8) her irritation with French President Nicolas Sarkozy’s grandstanding. Sarkozy, (9) , has often been impatient with what he (10) Merkel’s lack of resolve.

The sometimes (11) personal rapport is a long way from the public shows of affection their predecessors staged, particularly Helmut Kohl and FranCois Mitterrand, who movingly held (12) in 1984 in a Verdun cemetery. There’s been tension on (13) , too. Charles Grant, director of the London-based think tank Centre for European Reform, points out that France and Germany have been (14) on issues from how best to reflate their economies during the economic (15) to the smartest strategies for dealing with Russia.

But influential movers in France are now (16) to put the relationship back on a friendlier footing. In a recent paper French think tank Institute Montaigne (17) an ambitious agenda for the two nations, (18) that a new impetus is needed if Europe’s voice is to be heard in a world (19) of big new players, such as Brazil and India, and at a time when President Obama seems fax more (20) with China and the rest of Asia than with America’s traditional allies in Europe.

3（）

A.confidentially

B.openly

C.zealously

D.conservatively
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单项选择题

鲁迅在《电的利弊》中说：“外国用火药制造子弹御敌，中国却用它做炮竹敬神；外国用罗盘针航海，中国却用它看风水……”中国古代科技在东西方的不同地位表明（）

A.火药和指南针的西传是中国跻身四大文明古国的重要标志

B.科技在不同的领域和范围对人类所做的贡献是不同的

C.科技能否产生巨大的经济和社会效益取决于社会环境

D.科学和愚昧只是人的意识对客观世界的不同反映
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