—Is _______ ready for the picnic? —No, _______ is wrong with my bike. I can't go bike riding with you.
A:something; something
B:anything; something
C:everything; something
D:anything; everything
Tom is ________than his father. ( )
计算题:
油脂(化学式:C57H110O6)是人类重要的营养物质,每克油脂在体内氧化大约放出39.3KJ的能量,正常人一般每天消耗9432KJ的能量,其中25%是由油脂提供.则: