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【单选题】
以下描述正确的是()。A.
当mode为1的时候，KEY_Scan函数将不支持连续按
B.
当mode为0的时候，KEY_Scan函数将不支持连续按
C.
KEY_Scan函数，用来扫描2个IO口是否有按键按下
D.
KEY_Scan函数，用来扫描1个IO口是否有按键按下
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举一反三
【简答题】以上图中属于辐(轮)状花冠的是( ) 2.以上图中属于唇形花冠的是( ) 3.以上图中属于十字形花冠的是( ) 4.以上图中属于管状花冠的是( )
【简答题】Match the English words with their correct meani
【简答题】Match the words or phases with their Chinese meani
【单选题】What does the professor mean when he says this:
A.
He is certain the students know the meaning of the word.
B.
He wants to make sure that students have understood his explanation.
C.
He is worried his students have not covered all the material so far.
D.
He wants to check whether his students have studied the material so far.
参考解析：
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