II.短文改错（共10小题；每小题1分，满分10）

下面短文中有10处语法错误。请在有错误的地方增加、删除或修改某个单词。

增加：在缺词处加一个漏字符号（∧）,并在其下面写上该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写上修改后的词。

注意：1.每处错误及其修改均仅限一词；

2.只允许修改10处，多者（从11处起）不计分。

A boy who was cleaning the shoes in the street said to a young man passed by , “Let me clean your boots . It’ll spend you only a penny .” But the young man refused. Then the boy told him that he will clean his boots for nothing .The young man agreed, and soon a boot shining brightly .Then he put the other boot on the box , and the boy refused to clean it unless he was paid two pence for his work . The young man refused to pay for anything and went away . But the well-cleaning boot made the dirty ones so bad that he couldn't walk on . He returned back and gave the boy two pence .    

患者女，58岁，右胸痛、咳嗽、消瘦2个月余，无明显发热、盗汗、潮热，无咳痰、咯血。近1个月觉胸闷、气促进行性加重，近1周患者夜间不能平卧。既往史：高血压病史10年，3年前有结肠癌手术史。胸部X线检查示右中下肺野均匀致密阴影，上缘呈弧形，外高内低。

为进一步明确诊断，最重要的实验室检查为（）

A.纤维支气管镜检查

B.诊断性胸腔穿刺和胸膜活检

C.PPD皮试

D.痰找抗酸杆菌

E.经皮肺穿刺活检