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【单选题】
完形填空 When I was 13 my only purpose was to become the star on our football team. That meant ##1## Miller King, who was the best ##2## at our school. Football season started in September and all summer long I worked out. I carried my football everywhere for ##3## . Just before September, Miller was struck by a car and lost his right arm. I went to see him after he came back from ##4## . He looked very ##5## , but he didn ’ t cry. That season, I ##6## all of Miller’s records while he ##7## the home games from the bench. We went 10-1 and I was named most valuable player, ##8## I often had crazy dreams in which I was to blame for Miller’s ##9## . One afternoon, I was crossing the field to go home and saw Miller ##10## going over a fence—which wasn’t ##11## to climb if you had both arms. I’m sure I was the last person in the world he wanted to accept ##12## from. But even that challenge he accepted. I ##13## him move slowly over the fence. When we were finally ##14## on the other side, he said to me, “You know, I didn’t tell you this during the season, but you did ##15## .Thank you for filling in for ##16## .” His words freed me from my bad ##17## . I thought to myself, how even without an arm he was more of a leader. Damaged but not defeated, he was ##18## ahead of me. I was right to have ##19## him. From that day on, I grew ##20## and a little more real.
A.
cheering for
B.
beating out
C.
relying on
D.
staying with
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举一反三
【判断题】.为了防止他人偷窥会计系统数据,离开电脑时要立即退出会计软件
A.
正确
B.
错误
【多选题】关于降糖药的叙述,正确的是
A.
胰岛素可用于治疗各型糖尿病
B.
格列本脲较严重的不良反应是持久性低血糖症
C.
二甲双胍严重的不良反应是乳酸血症
D.
罗格列酮是a葡萄糖苷酶抑制药
E.
阿卡波糖常见胃肠道反应
【单选题】以下关于糖尿病的三级预防叙述正确的是( )
A.
一级预防的目标是预防糖尿病的发生
B.
二级预防的目标是在已诊断的糖尿病患者中预防2型糖尿病的发生
C.
二级预防的目标是减少已发生的糖尿病并发症的进展降低致残率和死亡率,并改善患者的生存质量
D.
三级预防的目标是减少已发生的糖尿病并发症的进展降低致残率和死亡率,并改善患者的生存质量
E.
三级预防的目标是已诊断的2型糖尿病患者中预防糖尿病并发症的发生
【单选题】关于二型糖尿病的叙述,正确的是
A.
主要与免疫,环境有关。
B.
主要见于年轻人
C.
胰岛素绝对缺乏
D.
有家族性发病倾向
E.
依赖胰岛素治疗
【简答题】设有关系模式R(A,B,C,D,E,F),根据语义有如下函数依赖集:F={A→B,(C,D)→A,(B,C)→D,(C,E)→D,(A,E)→F)。则关系模式R的候选码是( )。
【多选题】下列有关阿卡波糖的叙述不正确的是
A.
属于噻唑烷二酮类口服降血糖药
B.
可竞争性地抑制葡萄糖苷酶
C.
具有降低饭后高血糖作用
D.
主要用于I型糖尿病,而对Ⅱ型糖尿病无效
E.
可从动物胰脏中提取
【单选题】设有关系模式R(A, B, C, D, E, F),其函数依赖集为{E→D,C→B, (C,E)→F,B→A},则R最高达到______ 。
A.
1NF
B.
2NF
C.
3NF
D.
BCNF
【单选题】有关系模式R(A,B,C,D,E)和函数依赖集合F={A→D,B→C,E→A},该关系模式的候选码是( )。
A.
AB
B.
CD
C.
BE
D.
DE
【简答题】有关系R(A,B,C,D,E),根据语义有如下函数依赖集:F={A→C,BC→D,CD→A,AB→E}。现将关系模式R分解为两个关系模式R1(A,C,D),R2(A,B,E),那么这个分解( )。 A)具有无损连接性且保持函数依赖 B)具有无损连接性且不保持函数依赖 C)不具有无损连接性且保持函数依赖 D)不具有无损连接性且不保持函数依赖
【简答题】设有关系模式R(A,B,C,D,E,F,G),根据语义有如下函数依赖集F={A→B,C→D,C→F,(A,D)→E,(E,F)→G}。关系模式R的码是【 】。
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