—Bill didn't go to school this morning, did he?
—_______. Though he was not feeling very well.
A:No, he didn't
B:Yes, he did
C:No, he did
D:Yes, he didn't
下列运算正确的是( )
阅读《伤仲永》全文,回答小题。
清洗内壁沾附碱性固体残留物试管的合理步骤是( )