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【简答题】
阅读理解。 It was the afternoon of December 24, the day before Christmas, and as the newest doctor in our office, I had to work. The only thing that brightened my day was the beautifully decorated Christmas tree in our waiting room and a gift sent to me by a fellow I was dating (约会)-a dozen long-stemmed red roses. As I was cleaning my office, I was told a lady urgently needed to speak with me. As I stepped out, I noticed a young, tired-looking woman with a baby in her arms. Nervously, she explained that her husband-a prisoner in a nearby prison-was my next patient. She told me she wasn't allowed to visit her husband in prison and that he had never seen his son. Her request was for me to let the boy's father sit in the waiting room with her as long as possible before I called him for his appointment (约见). Since my schedule wasn't full, I agreed. After all, it was Christmas Eve. A short time later, her husband arrived-with chains on his feet and hands, and two armed guards as bodyguards. The woman's tired face lit up like our little Christmas tree when her husband took a seat beside her. I kept glancing out to watch them laugh, cry and share their child. After almost an hour, I called the prisoner back to my office. The patient seemed like a gentle and modest man. I wondered what he possibly could have done to be held under such conditions. I tried to make him as comfortable as possible. At the end of the appointment, I wished him a Merry Christmas-a difficult thing to say to a man headed back to prison. He smiled and thanked me. He also said he felt saddened by the fact that he hadn't been able to get his wife anything for Christmas. On hearing this, I was inspired with a wonderful idea. I'll never forget the look on both their faces as the prisoner gave his wife the beautiful, long-stemmed roses. I'm not sure who experienced the most joy-the husband in giving, the wife in receiving, or myself in having the opportunity to share in this special moment. 1. What can be inferred from the first paragraph? [     ] A. The writer was a newcomer to her office. B. A fellow sent her a dozen red roses as Christmas present. C. She was in low spirits because she had to work before Christmas. D. She was at work with a light heart. 2. The young woman came to the writer's office for the purpose of _____. [     ] A. having her baby examined B. giving her husband a chance to make his escape C. having her husband examined D. getting a chance for her family to get together 3. The underlined part in Paragraph 3 most probably means '_____'. [     ] A. to be sent to hospital B. to be separated from his family C. to be comfortable D. to become a prisoner 4. What does the writer learn from the story? [     ] A. The wife experienced the most joy in receiving. B. An act of kindness can mean a lot. C. The prisoner was treated with mercy. D. Whoever breaks the law should be punished.
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【多选题】以下属于电梯占有空间的是:()、()、()和()。
A.
机房
B.
井道
C.
楼道
D.
轿厢
E.
层站
【多选题】以下属于电梯占有空间的是( )。【多选】
A.
机房
B.
井道
C.
楼道
D.
轿厢
E.
层站
F.
DE
G.
从电梯各部分的功能区分,一般可分为曳引系统、(   )、轿厢系统、门系统、(   )、电气控制系统和安全保护系统七个系统。【多选】
【单选题】计算机执行程序所需的时间P可用P=I×CPI×T来估计,其中I是程序经编译后的机器指令数,CPI是执行每条指令所需的平均机器周期数,T为每个机器周期的时间。RISC计算机采用(1)来提高机器的速度。它的指令系统具有(2)的特点。指令控制部件的构建,(3)。RISC机器又通过采用(4)来加快处理器的数据处理速度。RISC的指令集使编译优化工作(5)。空白(3)处应选择()
A.
CISC更适于采用硬布线控制逻辑,而RISC更适于采用微程序控制
B.
CISC更适于采用微程序控制,但RISC更适于采用硬布线控制逻辑
C.
CISC和RISC都只采用微程序控制
D.
CISC和RISC都只采用硬布线控制逻辑
【单选题】计算机是通过执行()所规定的各种指令来处理各种数据的。
A.
程序
B.
数据
C.
CPU
D.
运算器
【简答题】读某地区等高线地形图,回答下列各题。 小题1:图中断崖的最大高差不超过(  ) A.250米 B.239米 C.200米 D.300米 小题2:河滩A、B之间的河段,河流的流向大致为(  ) A.自西北向东南    B.自东北向西南 C.自西南向东北    D.自东南向西北
【简答题】等电点时,蛋白质的溶解度最____,产生沉淀
【单选题】下列哪种形状不是销售运动的四种形状? ( )
A.
圆锥形
B.
兰角形
C.
腰鼓形
D.
椭圆形
【判断题】蛋白质在等电点 时 的溶解度最小,可产生沉淀而被除去。
A.
正确
B.
错误
【简答题】已知向量 m =(1,cosωx), n =(sinωx, 3 ) (ω>0),函数 f(x)= m ? n ,且f(x)图象上一个最高点为P ( π 12 ,2) ,与P最近的一个最低点的坐标为 ( 7π 12 ,-2) . (1)求函数f(x)的解析式; (2)设a为常数,判断方程f(x)=a在区间 [0, π 2 ] 上的解的个数; (3)在锐角△ABC中,若 cos( π 3 -B)=1 ...
【单选题】计算机是通过( )执行所规定的各种指令来处理各种数据的。
A.
程序
B.
数据
C.
控制器
D.
运算器
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