问题 单项选择题

甲肝病毒所致急性肝炎的临床表现,通常不包括以下哪一项

A.中低度发热,乏力
B.食欲减退,恶心及厌油
C.部分病人出现黄疸
D.大多数有肝脏肿大和肝区触痛与叩痛
E.常有肝性脑病或可迁延年余

答案

参考答案:E

读图填图题

阅读图示资料,完成下列各题。

下图示意某区域多年平均降雪量与雪期(从当年初雪日到次年终雪日的天数)的空间分布。该区域内丘陵区每年因融雪径流造成的土壤侵蚀较为严重。

(1)根据等雪期线的分布,分析沿MN 一线的地形分布特点。

                                                                                                                                                               

                                                                                                                                                              

(2)比较甲、乙两地雪期与降雪量的差异,并解释原因。 

                                                                                                                                                               

                                                                                                                                                               

(3)分析位于丘陵区的丙地融雪侵蚀较乙地严重的原因。

                                                                                                                                                                

                                                                                                                                                                

多项选择题