My father, Mr. White, often __________ at six twenty in the morning.
A:get up
B:go up
C:gets up
D:go to bed
________my bike was broken, ________ I went to school by bus yesterday.
从漫画中,我们可以得出的正确结论是 ( )
下列事实能说明甲酸(HCOOH)属于弱酸的是( )①1mol/LHCOOH的pH=2②甲酸能与水以任意比互溶③20mL 1mol/LHCOOH与20mL 1mol/LNaOH恰好中和④HCOONa溶液的pH>7