题目

 结扎小白鼠的胰管后，小白鼠将出现的症状是                      (      ) A.影响食物消化、影响血糖浓度B.不影响食物消化、不影响血糖浓度  C.影响食物消化、不影响血糖浓度  D.不影响食物消化、影响血糖浓度 答案：C (内分泌腺是无管腺)Mr. Zhang is the best music teacher in our school, but he has hurt his left foot and cannot ________tomorrow's concert. A．take part    B．play a part in    C．participate  D．participate in