A:葡萄糖→丙酮酸→水
B:葡萄糖→丙酮酸→氧
C:葡萄糖→丙酮酸→CO2
D:葡萄糖→氧→水
-Can you ______me the answer_____ this question?
-Sorry. It’s too difficult.
下列句中有古今异义现象的一项是( )
I am happy that we have ______ fine weather.