第8题: [单项选择]Creative thinking involves ______. A. drawing new pictures of old things B. observing the actions of great people C. finding the problem and originating a solution D. discovering new emotions 参考答案:C 答案解析:[分析] 见第二段第二句:Creative thinking involves posing oneself a problem and then originating or inventing a
第25题: [单项选择]骨骼肌的肌质网终末池可储存 A. Ca2+ B. Ach C. K+ D. Mg2+ E. Na+ 参考答案:A 答案解析:[解题思路] 骨骼肌的肌质网终末池上有很多的钙泵,能将肌浆中的Ca2+逆着浓度差大量的泵入肌质网终末池内,使肌质网终末池内Ca2+浓度远远大于肌浆中的Ca2+浓度,故终末池又称Ca2+池。所以,肌质网