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【单选题】
51 单片机可分为两个中断优先级别,各中断源的优先级别设定是利用哪个寄存器?A.
IE
B.
PCON
C.
IP
D.
SCON
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反馈参考答案：
举一反三
【简答题】vt. ( fml. ) pr sth. or make sth. impossible Better options may come along later, and taking the first option will preclude them from being free for the later and better ones.
【简答题】Section C-20 A) They drive most of the time. B) The rain is usually very light. C) They have got used to the rain. D) The rain comes mostly at night.
【单选题】Feathers are very light, we say 'as light as a feather'.
A.
in case
B.
unless
C.
if
D.
so that
【简答题】请大家上传三年学习规划或者职业规划,内容要具体、祥细,字数一千字左右。
【简答题】导流标准是选择导流设计流量进行施工导流设计的标准,包括______标准、坝体拦洪度汛标准、孔洞封堵标准。
【简答题】The rain was very__________yesterday.
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