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【单选题】
下面关于微控制器的叙述正确的说法是（）。A.
把 中央处理器、随机存取存储器、只读存储器和输入 / 输出接口等集成在一块芯片 上 的微型计算机。
B.
微控制器就是CPU。
C.
微控制器和单片机不是一回事。
D.
微控制器就是进行微动控制的控制电路
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举一反三
【单选题】When engineering drawings are made, the recommanded font for writting numarals and letters is .
A.
text
B.
isocp
C.
fangsong
【单选题】_____ more careful, his ship would not have sunk.
A.
If the captain were
B.
Had the captain been
C.
Should the captain be
D.
If the captain would have been
【单选题】Engineering drawings are typically prepared using ______________.
A.
mainframes
B.
servers
C.
personal computers
D.
workstations
【多选题】When engineering drawings are made, the line types which should be set beforehand include .
A.
Thick solid line
B.
Thin solid line
C.
Center line
D.
Dashed line
【简答题】Sketch
and identify the three methods of representing threads on engineering drawings.
【单选题】关于汽车电路的特点,下面说法不完全正确的是
A.
奥迪车辆上的大多数用电设备都采用直流供电，这就要求汽车上的电源采用方向和大小不随时间变化的直流电
B.
奥迪汽车上的电压均采用12V直流电压
C.
汽车上的各种电器设备都采用并联连接，各部件的控制有开关或控制单元独立完成
D.
因为汽车的金属车身可用做导体，因此将车身与蓄电池的负极连接后即可作为负极使用
【简答题】In engineering drawings, there are several line types, including solid line、 、 、 and so on.
【简答题】Translate the following paragraph: Engineering drawings are often referred to as "blueprints" or "bluelines." However, the terms are rapidly becoming an anachronism, since most copies of engineering d...
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