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【简答题】
MCS-51 单片机的 XTAL1 和 XTAL2 引脚是 引脚。
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皮皮学刷刷变学霸
举一反三
【单选题】Serious-looking men spoke to one another as if they were oblivious of the crowds about them. (Para. 2)
A.
Serious-looking men spoke to one another as if they paid no attention to the people around them.
B.
Serious-looking men spoke to one another as if they were serious to the the people around them.
【单选题】Serious looking men spoke to one another as if they were oblivious of the crowds about them.
A.
tired of
B.
scared of
C.
unaware of
D.
conscious of
【简答题】Serious looking men...“Tomo aligato gozayimas.” (Para. 2)
【多选题】徽州民居大多依山傍水，建筑和所在环境融为一体。以下属于徽州民居特点的是（）。
A.
典型的徽州住宅以面积甚小的横长方形天井为中心
B.
徽州民居大量使用悬山的人字屋顶
C.
徽州民居的山墙作阶梯状跌落1-3次，称为马头山墙
D.
徽州民居的前庭或庭侧一般布置有小型庭院或小花园，使山水、建筑、花木融为一体
【单选题】Serious looking men spoke to one another as if they were ______ of the crowds about them.
A.
unaware
B.
neglect
C.
oblivious
D.
forgettable
【简答题】为什么交流发电机不需要限流器?
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