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【多选题】
新石器时代的石雕作品可大致划分为四类,为_____和具有生活气息的动物石雕、琢制的。
A.
传统石雕
B.
磨制实用器
C.
砖雕
D.
具有宗教性的偶像
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【单选题】Passage OneSocrates gives us a basic insight into the nature of teaching when he compares the art of teaching to the ancient craft of the midwife. Just as the midwife assists the body to give birth to...
A.
both the teacher and the midwife play a helping role
B.
the teacher delivers knowledge while the midwife delivers the baby
C.
both the body and the mind are of equal importance
D.
both teaching and midwifery are lowly professions
【单选题】数据类型通常由数据结构、数据操作和( )三个部分组成。
A.
数据应用
B.
数据管理
C.
完整性约束
D.
数据采集
【简答题】在放大电路中,场效应管工作在 ,而双极型三极管工作在 。
【单选题】[No.B27013Z329]数据流程图中的( )表示数据和数据流向,由一组固定成分的数据组成,是各个数据处理环节处理和输出的数据集合。
A.
数据处理
B.
数据流
C.
外部实体
D.
数据存储
【单选题】Socrates gives us a basic insight into the nature of teaching when he compares the art of teaching to the ancient craft of the midwife. Just as the midwife assists the body to give birth to new life, ...
A.
Its reward lies in the growth of others.
B.
It is the highest form of cooperative art.
C.
It is a labor of love.
D.
Its results are intangible.
【单选题】Not only ________interested in football but ________ beginning to show an interest in it.
A.
the teacher himself is...all his students are
B.
the teacher himself is...are all his students
C.
is the teacher himself...are all his students
D.
is the teacher himself...all his students are
【单选题】一对开式齿轮传动,其主要失效形式是( )。
A.
齿面点蚀
B.
齿面磨粒磨损
C.
齿面塑性变形
D.
齿面胶合
【简答题】双极型三极管在放大电路中,应工作在_______ __ ___区,否则输出信号将出现_______ _ __ _ __失真和 ______ __ ____失真。
【单选题】速度轮滑场地赛,男子15000米要达到一级运动员等级的时间是( )。
A.
26分10秒
B.
24分30秒
C.
27分10秒
D.
29分30秒
【判断题】延时函数tmr.delay(us)在执行时不能执行其他任何程序,只能空等待。
A.
正确
B.
错误
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