题目

人体的运动系统由（    ）组成。 A、骨、关节和骨骼肌            B、骨质、骨连结和骨骼肌 C、骨、骨连结和肌肉            D、骨、骨连结和骨骼肌 答案：DJim likes zebras and his sister ________ likes them.A.tooB.againC.lastD.also