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问题 单项选择题

4岁，弛张高热1个多月，热前寒战，面、躯干多形性皮疹。手指关节肿痛，抗生素治疗无效。BP12/1OkPa，心率120次/分，心音低钝。肝肋下3cm，脾肋下1cm。血红细胞数30O×1O/L，HB90G/L，WBC28×1O/L，中性：80%，ESR82mm/h，ASO250U，CRP(+)。最可能的诊断是()

A．化脓性心包炎

B．急性白血病

C．急性风湿热

D．幼年类风湿性关节炎

E．系统性红斑狼疮

答案

参考答案：D

完形填空

小题1:Li Yundi, took part in the 14th Chopin International Piano Competition in     and won first prize in his group. 

A．Germany

B．Austria

C．Poland

D．France 小题2: Harbin holds a (an)      in winter every year.

A．Dragon Boat Festival

B．Ice and Snow Festival 

C．Mid-autumn Festival

D．Lantern Festival 小题3:They are all American cities EXCEPT      .

A．Berlin

B．New York

C．Los Angeles

D．Memphis 小题4:I hope to see Niagara Falls  in      some day. It’s said to be wonderful.

A．Europe

B．Africa

C．North America

D．South America 小题5:What did Alexander Graham Bell say when he answered the telephone for the first time?

A．OK.

B．Hello.

C．Great.

D．Cool.〖 小题6: The following are all e-mail English EXCEPT    . 

A．BTW

B．CSL

C．CUl8r

D．WWF 
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选择题

如果偶函数f（x）在R上可导，且是周期为T=3的周期函数，且f′（1）=0，则方程f′（x）=0在区间[0，6]上的实根个数至少是（　　）

A．11

B．9

C．7

D．5
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