不属于躯干肌的肌群是（）。
A.背肌
B.胸肌
C.颈肌
D.膈
E.腹肌
参考答案：C
解析：躯干肌包括背肌、胸肌、膈和腹肌。颈肌属于头颈肌的范围。
对于青春，我们充满了好奇。我们可以通过同学间的相互交流，共享成长的体验。交流过程中我们必须遵循的基本准则是[ ]
A、彼此尊重
B、互相取笑
C、故作高深
D、赞同对方的所有观点
The coffee is wonderful! It doesn't taste like anything I _____ before. [ ]
A. was having
B. have
C. have ever had
D. had ever had
