搜题请搜索小程序“爱下问搜题”
问题 单项选择题 B型题

甲状旁腺功能低下可见（）。

A.血钙增高、血磷降低

B.血磷增高

C.血钙和血磷同时增高

D.血钙和血磷同时降低

E.血钙降低、血磷增高

答案

参考答案：E

解析：甲状旁腺功能亢进时PTH分泌增加，使血钙升高，血磷降低；甲状旁腺功能低下时PTH分泌不足，使血钙降低，血磷升高；维生素D具有升高血钙和血磷的作用，其分泌不足使血钙和血磷同时降低。

完形填空

第四部分：写作（共两节，满分125分）

双向翻译（共5小题；每小题2分，满分10分）

请根据上下文内容，将文中划线部分译成汉语或者英语，并将答案转写到答题卡上。

If you love books, then Three Cups of Tea: One Man’s Journey to Change the World, One Child at a Time will be your favorite. This book will take you on an adventure to one of thehighest mountains in the world. 61 You will learn how the people who lived there survivedand how author Greg Mortenson helped build an education system.

While climbing K2 in Pakistan, author Greg Mortenson became ill and got lost. He got help in a small village named Korphe. 62 The people of the village took good care of him, feeding him and letting him sleep in the village chief’s house. They also gave him one of their most rare treats: sweet tea.

As Mortenson recovered from his illness, he noticed that the children of the village worked and went to school outdoors. 63 Their teacher came only three times a week and they didn’t have blackboards. They used sticks to write on the ground.

The day he left the village, 64 他许诺回来建一所学校. His school would allow both boys and girls to attend. He kept his promise and helped found a school with a building and supplies so the kids could study indoors with real writing tools.

65 那是在一九九三年. Today Mortenson is responsible for building 80 schools in Central Asia. He has helped more than 18,000 girls receive an education so far.
查看答案
单项选择题

下列关于根尖肉芽肿的病理表现叙述正确的为()

A．根尖周病变中央细胞坏死液化，形成脓液

B．牙周膜血管扩张充血，浆液渗出

C．溃疡表面有食物残屑、炎性渗出物及坏死组织覆盖

D．增生组织为肉芽组织，由成纤维细胞、毛细血管构成

E．根尖周病变被淋巴细胞、浆细胞和巨噬细胞浸润，根尖周组织有肉芽组织形成
查看答案