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【简答题】
Can you remember the day when you spoke your first word? If you can, you are unusual. Try to imagine what first few months of your life were like. I am sure you just spent most of your time eating, sleeping and crying. As you grow older, you were awake more of the time. It took your parents more time to play with you and talk to you. You watched and listened curiously. You began to know that people made certain sounds to go with certain things. Then you began to try making the sounds you heard. And step by step you were able to make the right sound for one thing.On that day you came to understand the secret of language. The secret is that a certain sound means a certain thing. One sound might be as good as another. But it is no good as a word unless everybody agrees on its meaning. Only when a group of people use the same set of sounds of things, can they understand each other. Then, and only then do these people have a LANGUAGE. After you found the secret of language, you learned words. Some of the words meant things, such as BOOKS, CHAIRS and SHOES. Some words meant doing things, such as GO and SWIM. And other words describe things, such as GOOD and DIRTY. Soon you learned to put words together to express one’s idea, such as “I want to go out and play with my friends.” This is language. By means of language people can communicate. So we say languages are means of communication. 小题1:When you were a little baby, you_________. A.made sounds to let people know that you wanted to eat B.spent most of your time playing with your parents C.could not hear any sound around you D.spent most of your time eating, playing and crying 小题2:The secret of language is that___________. A.one sound might be as good as another B.people can understand each other C.a certain sound is for a certain thing D.there is a special sound for each person 小题3:You could learn words__________. A.before you knew what the language was B.after you knew what the language was C.if you knew the secret of the language D.when you were a baby 小题4:The aim in using language is___________. A.to get everying one wants from others B.to say what one wants to know C.to share ideas, opinions, news, etc with one another D.to make oneself understood by others
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【单选题】人体与外界环境之间物质和能量的交换,以及人体内物质和能量的转变过程叫
A.
生长发育
B.
新陈代谢
C.
自我更新
D.
消化吸收
【单选题】与动脉法DSA相比较,静脉法DSA具有的优点为
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操作简便
B.
图像清晰度增加
C.
对比剂用量减少
D.
末梢血管显影清楚
E.
病人痛苦少、安全
【单选题】带传动设计中,选取小带轮基准直径的依据是 。
A.
小带轮 转速
B.
带的型号
C.
额定功率
D.
传动比
【多选题】高层建筑采用钢结构可以( )
A.
减轻结构自重
B.
减小地震作用
C.
减小风载作用
D.
减小地基荷重
E.
增大房屋使用面积
【多选题】静脉法DSA与动脉法DSA相比较,静脉法具有的优点是( )
A.
操作简单
B.
图像更加清晰
C.
造影剂浓度减少
D.
末梢血管显示清楚
E.
病人痛苦少、安全
【单选题】人体与外界环境之间的物质和能量的交换,以及人体内物质和能量的转化过程称为( )
A.
新陈代谢
B.
兴奋性
C.
生殖
D.
调节
【判断题】人体与外界环境之间的物质和能量的交换以及人体的物质和能量的转变过程,叫做新陈代谢。
A.
正确
B.
错误
【单选题】客户余先生2008年初向银行办理了一笔20万元的房贷,年利率6%,贷款期限20年,约定按季度等额本金偿还,则余先生2011年3月底应偿还贷款本息额为 元
A.
1432
B.
1683
C.
5050
D.
12000
【简答题】人体与外界环境之间的物质和能量的交换以及人体的物质和能量的转变过程,叫做( )。
【多选题】动脉DSA与静脉DSA比较,动脉DSA优点正确的是
A.
总曝光时间缩短
B.
图像分辨力较低
C.
所需对比剂的浓度低,用量小
D.
对血管刺激性大
E.
对血管刺激性小
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