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问题 多项选择题

微小病变性肾小球肾炎的主要病理变化是（）

A.光镜检查无明显变化

B.IgG和C3沿肾小球毛细血管壁颗粒状沉积

C.电镜检查系膜细胞增生

D.电镜检查肾小球上皮细胞足突广泛融合

E.肾小管上皮细胞空泡变性

答案

参考答案：A, D

解析：微小病变性肾小球肾炎的光镜下明显变化，电镜下肾小球上皮细胞足突广泛融合。

填空题
若关于x的不等式x2+
1
2
x-(
1
2
)n≥0对任意n∈N*在x∈（-∞，λ]上恒成立，则实常数λ的取值范围是______．
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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.

14（）

A. at the cost

B. at peace

C. at odds

D. at a loss
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