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问题 选择题

关于简单电现象、家庭电路和电磁现象，下列说法中正确的是（　　）

A．验电器是根据同种电荷相互排斥的原理制成的

B．家庭电路中各用电器之间是串联在电路中使用的

C．测电笔是鉴别电路中是否有电流的工具

D．电动机是利用电磁感应现象的原理制成的

答案

A、验电器是根据同种电荷相互排斥的原理制成的，故正确；

B、家庭电路中各用电器之间是并联在电路中使用的，故错误；

C、测电笔是用来辨别火线和零线的装置，故错误；

D、电动机是利用通电导线在磁场中受力的作用的原理工作的，发电机是利用电磁感性现象的原理工作的，故错误；

故选A．

单项选择题 A1/A2型题

上颌窦肿瘤侵犯后壁表现为（）。

A.血涕、鼻堵等

B.牙痛、牙齿松动等

C.面部疼痛等

D.眼球胀痛、复视等

E.颞部疼痛、张口困难等
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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.

8（）

A.recover

B.discover

C.conceal

D.reveal
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