皮皮学，免费搜题
登录
搜题
【单选题】
ORACLE数据库属于以下哪种数据库典型（）
A.
关系数据库
B.
网状数据库
C.
层次数据库
D.
面向对象的关系数据库
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【简答题】阅读短文，选择正确答案。 Some parents are worrying that their children wouldn't like meals. In fact, most children are usually ready to eat almost anything that is offered to them. A child often likes food unless...
查看完整题目与答案
【简答题】Some parents are worrying that their children wouldn’t like meals. In fact, most children are usually ready to eat almost anything that is offered to them. A child often likes food unless it is badly ...
查看完整题目与答案
【判断题】光纤传感器也是光电传感器的一种，它由光纤单元、放大器两部分组成。投光器和受光器均在放大器内，投光器发出的光线通过一条光纤内部从端面（光纤头）以约60°的角度扩散，照射到检测物体上；同样，反射回来的光线通过另一条光纤的内部回送到受光器。反射回来的光线量将由放大器内部的敏感元件检出，并转换为电气信号输出。
A.
正确
B.
错误
查看完整题目与答案
【判断题】HXN5型机车燃油粗滤器采用免拆洗滤芯。
A.
正确
B.
错误
查看完整题目与答案
【判断题】光纤传感器也是光电传感器的一种，它由光纤单元、放大器两部分组成。投光器和受光器均在放大器内，投光器发出的光线通过一条光纤内部从端面（光纤头）以约60°的角度扩散，照射到检测物体上；同样，反射回来的光线通过另一条光纤的内部回送到受光器。反射回来的光线量将由放大器内部的敏感元件检出，并转换为电气信号输出。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Some children like to newspaper. [     ]
A.
look
B.
read
C.
watch
查看完整题目与答案
【单选题】“水能载舟，亦能覆舟”体现的是（）
A.
系统管理的思想
B.
“重人”的管理思想
C.
“人和”的管理思想
D.
“求实”的管理思想
查看完整题目与答案
【单选题】Some parents home school their children for the reason that ______.
A.
they would like their children to become artists or athletes sooner
B.
the education officials don't advocate diversified educational systems
C.
the government couldn't offer sufficient teaching facilities
D.
the school education doesn't meet their individual religious needs
查看完整题目与答案
【单选题】传感器是一种检测装置，能感受到被测量的信息，并能将检测感受到的信息，按一定规律变换成为（ ）或其他所需形式的信息输出，以满足信息的传输、处理、存储、显示、记录和控制等要求。
A.
电信号
B.
光信号
C.
声信号
D.
磁电信号
查看完整题目与答案
【单选题】Some children don’t like to talk with their parents,but I am _______them.I love to talk with my parents.
A.
the same as
B.
different from
C.
pleased with
D.
interested in
查看完整题目与答案
相关题目：
【简答题】阅读短文，选择正确答案。 Some parents are worrying that their children wouldn't like meals. In fact, most children are usually ready to eat almost anything that is offered to them. A child often likes food unless...
查看完整题目与答案
【简答题】Some parents are worrying that their children wouldn’t like meals. In fact, most children are usually ready to eat almost anything that is offered to them. A child often likes food unless it is badly ...
查看完整题目与答案
【判断题】光纤传感器也是光电传感器的一种，它由光纤单元、放大器两部分组成。投光器和受光器均在放大器内，投光器发出的光线通过一条光纤内部从端面（光纤头）以约60°的角度扩散，照射到检测物体上；同样，反射回来的光线通过另一条光纤的内部回送到受光器。反射回来的光线量将由放大器内部的敏感元件检出，并转换为电气信号输出。
A.
正确
B.
错误
查看完整题目与答案
【判断题】HXN5型机车燃油粗滤器采用免拆洗滤芯。
A.
正确
B.
错误
查看完整题目与答案
【判断题】光纤传感器也是光电传感器的一种，它由光纤单元、放大器两部分组成。投光器和受光器均在放大器内，投光器发出的光线通过一条光纤内部从端面（光纤头）以约60°的角度扩散，照射到检测物体上；同样，反射回来的光线通过另一条光纤的内部回送到受光器。反射回来的光线量将由放大器内部的敏感元件检出，并转换为电气信号输出。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Some children like to newspaper. [     ]
A.
look
B.
read
C.
watch
查看完整题目与答案
【单选题】“水能载舟，亦能覆舟”体现的是（）
A.
系统管理的思想
B.
“重人”的管理思想
C.
“人和”的管理思想
D.
“求实”的管理思想
查看完整题目与答案
【单选题】Some parents home school their children for the reason that ______.
A.
they would like their children to become artists or athletes sooner
B.
the education officials don't advocate diversified educational systems
C.
the government couldn't offer sufficient teaching facilities
D.
the school education doesn't meet their individual religious needs
查看完整题目与答案
【单选题】传感器是一种检测装置，能感受到被测量的信息，并能将检测感受到的信息，按一定规律变换成为（ ）或其他所需形式的信息输出，以满足信息的传输、处理、存储、显示、记录和控制等要求。
A.
电信号
B.
光信号
C.
声信号
D.
磁电信号
查看完整题目与答案
【单选题】Some children don’t like to talk with their parents,but I am _______them.I love to talk with my parents.
A.
the same as
B.
different from
C.
pleased with
D.
interested in
查看完整题目与答案