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问题 单项选择题

下述哪种粘附因子测定可作为已分化的甲状腺癌的一个独立的预后指标（）

A.LI－钙粘素

B.整合素

C.免疫球蛋白超家族

D.E－钙粘素

E.E－选择素

答案

参考答案：D

问答题

结合课文内容，回答问题。     

1．“我”为什么爱看灯光下的 * * 广场？这表达了“我”怎样的思想感情？ 

                                                                                                                                                      

                                                                                                                                                      

2．“多好啊！”这句话在课文中出现了几次？ 分别是谁在什么情况下说的？他们在说这句话的时候，看到了什么，会想到些什么？

                                                                                                                                                       

                                                                                                                                                        

                                                                                                                                                        
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选择题

I'm sorry. I took your umbrella _______. I just realized it when I got home. [ ]

A. by chance      

B. on purpose    

C. by mistake    

D. by violence
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