收集下肢、盆部及腹腔的淋巴（） A.胸导管 B.左、右腰干 C.淋巴导管 D.淋巴结

右图是汉代画像石《周公辅佐成王图》。几位同学就这幅画像石的历史内涵进行了推测：

甲：图中诸侯四方来朝，反映了成王时期中央集权制度开始形成。

乙：图中周王厉行分封，诸侯对周王的义务得到严格履行。

丙：图中成王地位至尊，说明周王已经实现了权力的高度集中。

丁：图中周公勤政为民，统治者品德成为政治权力间的主要纽带。

以上推测与历史实际基本吻合的应是

A．甲　 　

B．乙　　

C．丙　

D．丁

人民法院对于14岁以上不满16岁未成年人犯罪的案件，一律不公开审理。这体现了对未成年人的[ ]

A．家庭保护        

B．学校保护          

C．司法保护   

D．社会保护

SECTION C (12 points)

Direction: Complete the following passage by using one word that best fits the context.

Winter swimming has become popular in Beijing. Many years ago,  48  people would go swimming in the city waters. But now there is a winter swimming club,   49   has more than 2,000 members. The oldest is 84 years of age and the youngest is only 7. The members are from all walks of life. They may be workers, peasants, soldiers, teachers and students. Even though it is now the coldest time of the season and the water   50  is around 0℃, many winter swimmers still swim in the icy waters. They enjoy   51   in the lake, while people by the water are wearing   52  clothes.

Why are so many people interested in winter swimming? Because it can do   53  to your health.

Bei Sha is   54  good example, he is 69 years old, and he once suffered from heart trouble for 26 years. After ten years of winter swimming, he is now   55  good health.

读以下“我国四大地理区域图”，完成下列各题。

A、B两区的分界线划分的主导因素是_________。C地区突出的地理特征是_________。

盐酸普鲁卡因含量测定采用（）.

A．溴量法 

B．紫外分光光度法 

C．亚硝酸钠滴定法 

D．银量法 

E．非水滴定法