当血流通过下列哪一部位时，血压的降落最大（　　）

【名词&注释】

主动脉(aorta)、毛细血管(capillary)、大动脉(large artery)、小动脉(arterioles)、大静脉(big vein)、小静脉(venules)

[单选题]当血流通过下列哪一部位时，血压的降落最大（　　）

A. 主动脉和大动脉
B. 小动脉和微动脉
C. 毛细血管
D. 微静脉和小静脉^(venules)
E. 大静脉^{(big vein)}和腔静脉

查看答案&解析 查看所有试题

学习资料：

[单选题]From here, we can see the bridge ________ construction．

A. below
B. under
C. by
D. with

[单选题]What makes a person famous ? This is a mystery that many people have pondered．All kinds of myths surround the lives of well—known people． 　　Most people are familiar with the words of William Shakespeare，one of the greatest Eng．1ish writers of the sixteenth century．Yet how many know Shakespeare the pemon，the man be．hind the works？　　After centuries of research，scholars are still trying to discover Shakespeare’s personaLl his—torty．It is not easily found in his writings．Authors of the time could not protect their works．An acting company，for example，could change a play if they wanted to．Nowadays wfiterShave copyrights that protect their work． 　　Many myths arose about Shakespeare．Some said he had to formal edueation．There arerumors that he left home when accused of stealing a horse．Others believe that he began his ca—reer by tending the horses of wealthy men． 　　All of these myths are interesting，but are they true? Probably not．Shakespeare，s fatherwas a respected man in Stratford，a member of the town council．he sent young William togrammar school．Most people of Elizabethan times did not continue beyond grammar school；S0，Shakespeare did have，at least，an average education． 　　Some parts of Shakespeare’s life will always remain unknown．The Great London Fire of1666 burned many important documents that could have been a source of clues．We will alwaysbe left with many questions and few facts． 根据以上内容，回答{TSE}题。{TS}This passage deals with___________．

A. the Great LOndon Fire
B. the lost documents of Shakespeare
C. scholars of Shakespeare
D. Shakespeare’s personal history

本文链接：https://www.51bdks.net/show/ggkxkv.html