皮皮学，免费搜题
登录
搜题
【单选题】
MCS-51 单片机中断系统的初始化步骤有( )A.
开相应中断源的中断允许
B.
设定所用中断源的中断优先级
C.
若为外部中断,则应规定中断触发方式(低电平或负边沿触发)
D.
以上都是
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】The main reason why the Indians are most discriminated against is that______.
A.
they have tried hard to keep their religions
B.
they have tried hard to live together to keep their Indian customs
C.
they are the only ones who have tried to keep their identity
D.
they discriminate many other races
【单选题】Question 4
A.
They tried hard t o repair theaccident.
B.
They released thedetails of the accident.
C.
They sent supplies tokeep the miners warm.
D.
They provided the minerwith food and water.
【简答题】英、美、法等国按公司股份掌握对象的不同，将公司分为______和______。
【简答题】A group of frogs were travelling through the woods, and two of them fell into a deep pit(坑). When the other frogs saw how deep the pit was, they told the two frogs that they were as good 小题1: dead. Th...
【单选题】He tried very hard to______the authorities of his capabilities and loyalty, only to find that the more he tried, the less they believed him.
A.
tell
B.
show
C.
convince
D.
encourage
【简答题】A.They tried hard to repair the elevator. B.They released the details of the accident. C.They sent supplies to keep the miners warm. D.They provided the miners with food and water.
【简答题】在一天里，钟表上的时针正好走（ ）圈，共24小时。
【简答题】According to Mrs. Bruce ,she __1___ (did/did not)approve of suffragettes. She felt highly __2___ if anybody called her a suffragette. She admited that the suffragettes tried very hard and ually ...
【单选题】Having tried hard several times, they finally _______ the hope of finding an effective way to save the dying man.
A.
abandoned
B.
released
C.
discouraged
D.
resigned
相关题目：