题干
There ________ a football match between Class Eight and Class Nine this afternoon.
A：is going to have
B：is going to be
C：will have
D：are going to be
答案(点此获取答案解析）
B
链（各有141个氨基酸）和两条
链（各有146个氨基酸）构成，问在血红蛋白中有多少个肽键（ ）
