正确答案: C

抗凝血酶Ⅲ

题目：在抗凝血酶中，最重要的是（　　）

查看原题 查看所有试题

学习资料的答案和解析：

[单选题]《史记》中，用来记叙诸侯事迹的是（　　）

世家

解析：《史记》是我国第一部以人物为中心的纪传体通史，包括十二本纪，记历代帝王政绩；三十世家，记诸侯国兴亡；七十列传，记重要历史人物的言行事功；八书，记各种典章制度；十表，记大事年月；共一百三十篇，五十二万字。记载了从黄帝到汉武帝长达三千年的政治、经济和文化的历史，比较全面而深刻地反映了我国古代的社会面貌。世家是《史记》的编写体例之一。

[单选题]在空间直角坐标系中，方程x2-4(y-1)2=0表示

两个平面

[单选题]His health failing,________ in 1995．

Andrew Peters went on leave from the army

解析：这句话有一个因果的逻辑关系。但所给的题干只是分词短语，缺的是主句。选项B和选项C都是从句，排除。分词短语的逻辑主语应当与主句的主语一致，选项D的主语与分词短语的逻辑主语不符。选项A是正确的。【句子大意】由于他的健康状况欠佳，Andrew Peters从部队休假。

[单选题]How would you describe Sequoyah?

Sequoyah was a young Cherokee Indian．son of a white trader and an Indian Squaw(北美印第安女人)．At an early age，he became fascinated by“tile talking leaf”，an expression thathe used to describe the white man’s written records．Although many believe this"talking leaf”to be a gift from tile Great Spirit，Sequoyah refused to accept that theory．Like other Indians oftile period，he was illiterate，but his determination to remedy tile situation led to the inventionof a unique 86 character alphabet based on the sound patterns that he heard． 　　His family and friends thought him mad，but while recuperating(恢复)from a huntingaccident．he diligently and independently set out to create a form of communication for his ownpeople as well as for other Indians．In l821，after twelve years of work，he had successfully de。veloped a written language that would enable thousands of Indians to read and write． 　　Sequoyah’s desire to preserve words and events for later generation has caused him to be remembered among the important inventors．The giant redwood trees of-California，called“se-quoias(红杉)”in his honor，will further imprint his name in history． 根据以上内容，回答下面的题目。What is the most important reason that Sequoyah wiU be remeIll]bered?

Determined．

[单选题]The teacher had the monitor_______the papers．

hand out

[单选题]对胸内压和肺内压的下列说法，正确的是（　　）

吸气时胸内压为负压