假设Pentium微处理器的段描述符中基地址是00280000H，段的限界是0001

第二节短文改错（满分10分）

Later in April, a photo show was holding in our school. It was great success! All the photos were

taken by the students ourselves. There were both black-and-white and color photos, presented

our school life, the beauty of nature, festival activities and so on. All the works of art were for

show in the reading room . Every day, a large number of student went to enjoy it and they

were surprised to find out that the pictures were too wonderful. Those students their photos were

chosen the best were given unexpected prizes. In short, this photo show really make our life colorfully.

女童尿路感染发病率高于男童的主要原因（）

A.女童 * * 短且接近肛门

B.女童便秘发生率高

C.女童膀胱位置较高

D.女童输尿管较长而弯曲

E.女童肾脏位置较低

下列气体中会干扰电化学探头法测定水中溶解氧的是：（）。

A．C02

B．U2

C．N2

D．CO

局域网综合布线工程中，用于低速网络，最高可支撑4Mbpa容量的UTP数据电缆是（）

A.1类双绞线

B.2类双绞线

C.3类双绞线

D.4类双绞线

城头山古文化遗址距今6000多年，是中国目前发现的（）古城。

A.年代最早、保存最完整的

B.内涵最丰富的

C.最坚固的

D.中国第一古城