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这是什么操纵装置？（）

A．灯光开关

B．空调开关

C．点火开关

D．雨刷开关

E

Some time ago during my vacation period, I traveled to Europe to tour the various parts of France．Our tour group was made up of forty—five travelers from different countries．My three friends and I made up the Canadian team on the bus．

As time passed we got to know each Other better and in some ways the new friendships that grew became as valuable and as memorable as the trip itself．

On the last day of the tour we were traveling through the peaceful French countryside when our guide came on the microphone．He said，“We are presently passing through World War I battlefields just south of Vimy Ridge．If you look to your right, just across the field there, you will see the war memorial that the people of France built to the Canadian soldiers who fought so bravely here．Even today some residents from the surrounding towns place flowers on the memorial regularly．My dear Canadian friends at the back of the bus, I would like to say thank you for the unselfish acts of your Canadian soldiers．”

Across the grassy field, the stone monument stood proud against the French sky．A Canadian flag rippled softly in the calm breeze．Lost in the moment, I could imagine the sights and sounds of war．Suddenly an unexpected wave of emotion swept over me．I felt great sadness for those men who never returned home to Canada, but at the same time my heart was filled with an enormous sense of pride．Tears welled up in my eyes．I was embarrassed by my uncontrolled reaction．As I turned around I realized that each of my friends had experienced the same feelings, their eyes also wet with tears．

72．From the passage we know the writer was traveling in Europe with    ．

A．only his Canadian friends                 B．his foreign classmates

C．some foreigners as well as his friends        D．his colleagues and friends

73．It can be inferred from the passage that    ．

A．the Canadian group didn’t know other members well at first

B．this must be a group for both traveling and study

C．the group was made up of people who got on well in real life

D．the numbers of the group must be students of history

74．The action of the local French shows that    ．

A．they had made the battle field a place of interest

B．they still remember all the Canadians who have died

C．they honoured those Canadian soldiers who lost their lives m World War I

D．the numbers of the group must be students of history

75．At the guide’s words, as a Canadian, the writer     ．

A．had complicated feelings

B．was only proud of those soldiers

C．thought it was his duty to help France

D．controlled his feelings so as not to be embarrassed

患儿女，6岁，因经常要求调高电视音量，且对家长呼唤反应迟钝1月余入院。入院时一般情况良好，电耳镜检查可见双侧外耳道干燥，双耳鼓膜内陷，锤骨短突明显向外突出，透过鼓膜可见液平，将患儿头部前俯、后仰时，液平仍能保持与地面平行。

该患儿最可能罹患的疾病是

A、分泌性中耳炎

B、急性化脓性中耳炎

C、慢性化脓性中耳炎

D、急性乳突炎

E、粘连性中耳炎

F、中耳胆脂瘤

麻疹患儿应隔离至出疹后：（）

A.3天

B.5天

C.7天

D.10天

E.14天

目前彻底治疗扩张型心肌病的方法是

A．控制心衰
B．控制心律失常
C．控制诱因
D．心脏移植
E．长期服用β-受体阻滞剂