问题 单项选择题 A型题

肌袖位于()。

A.主动脉

B.肺动脉

C.上腔静脉

D.下腔静脉

E.肺静脉

答案

参考答案:E

解析:心房肌可围绕肺静脉延伸1~2cm,称为肌袖,具有括约肌样作用。

完形填空
Professor Williams lived alone and he was very          .He used to arrive at the university to give a lecture and find that he had forgotten to bring his notes.Or he would lose his spectacles and be unable to see the         .He could never find any chalk to          with,and he often forgot the time and would ramble(漫谈)on for hours because he had          his watch at home.But the most          thing of a11 about him was his          .His overcoat was rarely           ,as most of the buttons were          .His shoes were usually untied because he had lost the laces.He must have lost his comb as well because his hair was always standing on.His trousers were         by an old tie instead of a belt.He was a chain smoker.He would smoke          in class.Cigarette ash was liberally scattered over his waistcoat.
小题1:
A.hard-workingB.warm-hearted C.good-temperedD.absent-minded
小题2:
A.blackboard B.floorC.ceiling D.window
小题3:
A.signB.deliverC.writeD.address
小题4:
A.putB.placedC.1eftD.forgotten
小题5:
A.excitingB.amazingC.attractiveD.delightful
小题6:
A.appearanceB.actC.behaviorD.conduct
小题7:
A.tiedB.fastenedC.ironedD.packed
小题8:
A.1osingB.fallingC.missingD.hanging
小题9:
A.rounded upB.stuck togetherC.put togetherD.held up
小题10:
A.evenB.frequentlyC.constantlyD.continuously
单项选择题