水土流失是形成黄土高原千沟万壑自然景观的主要原因，每年流失的土壤约16亿吨，据此

公安行政复议是公民认为公安机关的行政行为侵犯其合法权益，依法提出申请，由受理的公安机关对该具体行政行为进行审查和决定的活动。 ( )

《中华人民共和国企业所得税法》在税法分类中，属于（）

A．税收基本法

B．税收普通法

C．税收实体法

D．税收程序法

扎伤后，预防破伤风的最佳措施是（）

A.清创

B.结扎

C.注射破伤风抗毒素

D.注射破伤风类毒素

E.清创，注射破伤风抗毒素

短文填词。

Late in September,a photo show was held in our

school.It lasted a week and was a great success!All the photos were

t________by the students themselves.They were

________(大多数) color photos,but some are

blackandwhite ones,p________our school life,the

beauty of nature,festival activities and so on. All the

________(作品) of art were on show in the

________(图书馆) on the second floor.Every day a

large number of students went to enjoy________,

and they were surprised to find the photos were so wonderful

________some teachers also were present.Those

w________photos were chosen the best were given 

different prizes.In short,this photo show really made our life more

________(多彩). We hope we will have more

activities like this in the f________.

下列叙述中正确的是______。

A．一个逻辑数据结构只能有一种存储结构

B．数据的逻辑结构属于线性结构，存储结构属于非线性结构

C．一个逻辑数据结构可以有多种存储结构，且各种存储结构不影响数据处理的效率

D．一个逻辑数据结构可以有多种存储结构，且各种存储结构影响数据处理的效率