随着（）特征越来越明显，广告竞争开始取代价格竞争成为竞争的主要手段.A.寡占型市场

I have a pen pal. He is from America. __1__ name is Jack Smith.  Jack can speak English and__2__ French. He wants to learn Chinese, __3__ he thinks it is too difficult.

He lives in Boston. He is twelve years __4__ this year. He likes pandas __5__ , because he thinks pandas are very lovely. Jack often goes to the __6__ to see pandas with his friends. The pandas are __7__ China.

He wants __8__ an actor like Li Lianjie, and he __9__ very hard. We often write to each other. He often __10__ me about his school life and his friends. I am happy to have this friend.

小题1: A. Her         B. His          C. My        

小题2: A.a lot        B. many        C. a little         

小题3: A. or        B. but          C. so          

小题4: A. old         B. young         C. big          

小题5:A. much           B. very           C. very much            

小题6: A. school     B. zoo      C. supermarket        

小题7: A. in          B. to          C. from

小题8:A. to be           B. to have           C. be            

小题9: A. plays        B. studies          C. lives         

小题10:A. says          B. speaks        C. tells 

唐太宗是如何吸取隋亡教训的？你能举例说明吗？

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患者，女，30岁。贫血原因不明。试服铁剂治疗第6天复查血象，网织红细胞上升达5%，但未见血红蛋白增加，镜检见红细胞大小不等且中心淡染区扩大。其最可能的诊断是

A．缺铁性贫血

B．急性白血病

C．巨幼细胞性贫血

D．阵发性睡眠性血红蛋白尿

E．再生障碍性贫血

下列抗结核药中耐药性产生较缓慢的药是（）

A.异烟肼

B.对氨水杨酸

C.利福平

D.吡嗪酰胺

E.链霉素

新音乐