【判断题】Today, athletes from eleven different disability groups take part in the Paralympics.
【单选题】Today, athletes from ______ different disability groups take part in the Paralympics.
【简答题】Today, athletes from ______
different disability groups take part in the Paralympics.A. five B. six C. seven
【判断题】必需氨基酸的含义是指:合成蛋白质必不可少的一些氨基酸。
【单选题】Today, athletes from ______ differentdisability groups take part in the Paralympics.