皮皮学，免费搜题
登录
搜题
【单选题】
In an R/2R DAC, there are在R/2R的数模转换器中，包含A.
four values of resistors. 4种阻值的电阻。
B.
one resistor value . 1种阻值的电阻。
C.
two resistor values . 2种阻值的电阻。
D.
a number of resistor values equal to the number of inputs . 跟输入端个数相同种阻值的电阻。
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
【单选题】患者,女性,40岁。近一年来总是无原因的紧张、恐惧,似乎即将大难临头,自已明知没有必要这样担心,但却总是控制不了,常常伴有心悸、尿频、手抖。此症状是:
A.
强迫观念
B.
焦虑
C.
紧张性兴奋
D.
思维奔逸
【单选题】患者,女,40岁。近一年来总是无原因的紧张、恐惧,似乎即将大难临头,自己明知没有必 要这样担心,但却总是控制不了,常常伴有心悸、尿频、手颤。此症状是( )
A.
强迫观念
B.
焦虑
C.
紧张性兴奋
D.
思维奔逸
E.
自知力缺乏
【简答题】听下面一段材料,回答第1-3题。 1.Where is the plant being built? A. Not far away from the town. B. Far away from the town. C. In the centre of the town. 2.What is the plant built for? A. Producing rubbish. B. Recyc...
【单选题】Where is the plant?
A.
It is between the desk and the bookcase.
B.
It is next to the door.
C.
They are on the table.
D.
It is in the front of the classroom.
E.
They are in the book case.
F.
It is on the desk.
【单选题】Where is the best location to plant tall or climbing plants?
A.
North side of the garden
B.
East side of the garden
C.
South side of the garden
D.
West side of the garden
相关题目：