问题 单项选择题

格列本脲降血糖的主要作用机制是

A.拮抗高血糖素的作用
B.增强肌肉组织糖的无氧酵解
C.妨碍葡萄糖的肠道吸收
D.刺激胰岛B细胞释放胰岛素
E.升高血清糖原水平

答案

参考答案:D

解析: 格列本脲属于磺酰脲类降糖药,主要作用机制是刺激胰岛B细胞,释放胰岛素,此外还可降低血清糖原水平和增加胰岛素与靶组织的结合能力。

完形填空
Mrs. White was a wealthy lady. She lived  36  in a large comfortable house where her children and grandchildren came to visit her frequently. However, she was 37 . She spent a lot of time thinking about her  38  and about her dead husband. Her children   39 about her and asked Dr. Green to see her.
Mrs. Green was an experienced doctor. She knew old people became upset in their ways and didn’t like to   40  what to do. She decided to get to know Mrs. White before she said anything. During the visit, Dr. Green asked Mrs White to give her a   41  of the house. Mrs. White was  42   her house and happily agreed. As they walked from room to room, Dr. Green   43  that there were a lot of violets (紫罗兰) in every window. She asked, “__44 _ do you have so many violets?” Mrs White replied, “ I love these   45  and they  46  so fast that I have more and more. When the tour of the house was over, Dr. Green said, “I have one suggestion to make. Whenever you   47 a friend or a neighbor that is   48 in bed or getting married, give 49  one of your violets.”
Mrs White said   50   about the doctor’s advice and for a few months    51 her visit, she didn’t give away any of her violets. Then one day she was invited to the   52  of her neighbor's daughter. She put a ribbon(丝带) on one of her potted plants and took it to the party. Later one of her friends was sick so she took a violet plant and took it to the hospital.  53    she began to give more and more of her potted violets to her neighbors. Over the years she  54 so many that she became known as the “  55  lady”.
小题1:
A.wellB.aloneC.quietlyD.happily
小题2:
A.cheerfulB.delightedC.unhappyD.disappointed
小题3:
A.moneyB.childrenC.big houseD.old age
小题4:
A.talkedB.thoughtC.worriedD.learned
小题5:
A.be toldB.be orderedC.be wantedD.be invited
小题6:
A.tourB.viewC.sightD.picture
小题7:
A.proud ofB.familiar with C.interested inD.anxious about
小题8:
A.lookedB.showedC.noticedD.watched
小题9:
A.HowB.WhyC.WhenD.Where
小题10:
A.roomsB.windowsC.childrenD.flowers
小题11:A grow       B. make             C. become          D. produce
小题12:
A.askB.getC.hearD.want
小题13:
A.illB.sadC.excitedD.pleased
小题14:
A.itB.meC.youD.them
小题15:
A.nothingB.anythingC.somethingD.everything
小题16:
A.beforeB.afterC.duringD.until
小题17:
A.lectureB.graduationC.celebrationD.wedding
小题18:
A.UsuallyB.ContinuouslyC.GraduallyD.Regularly
小题19:
A.sold outB.gave awayC.grewD.kept on
小题20:
A.oldB.violetC.richD.famous
单项选择题