【名词&注释】
表面张力(surface tension)、肌钙蛋白(troponin)、印第安(indian)、陶渊明(tao yuan-ming)、肌浆网(sarcoplasmic reticulum)、括约肌(sphincter)、《泊秦淮》、环行纤维(circular fibers)、《行路难》、腹股沟韧带(inguinal ligament)
[单选题]骨骼肌的兴奋一收缩耦联不包括 ( )
A. 电兴奋通过横管系统传向肌细胞的深处
B. 三联管结构处的信息传递
C. 肌浆网中的Ca+释放入胞浆
D. Ca2+由胞浆向肌浆网的再聚积
E. 肌浆中的Ca+浓度迅速降低,导致肌钙蛋白和它所结合的Ca+解离
Sequoyah was a young Cherokee Indian.son of a white trader and an Indian Squaw(北美印第安女人).At an early age,he became fascinated by“tile talking leaf”,an expression thathe used to describe the white man’s written records.Although many believe this"talking leaf”to be a gift from tile Great Spirit,Sequoyah refused to accept that theory.Like other Indians oftile period,he was illiterate,but his determination to remedy tile situation led to the inventionof a unique 86 character alphabet based on the sound patterns that he heard. His family and friends thought him mad,but while recuperating(恢复)from a huntingaccident.he diligently and independently set out to create a form of communication for his ownpeople as well as for other Indians.In l821,after twelve years of work,he had successfully de。veloped a written language that would enable thousands of Indians to read and write. Sequoyah’s desire to preserve words and events for later generation has caused him to be remembered among the important inventors.The giant redwood trees of-California,called“se-quoias(红杉)”in his honor,will further imprint his name in history. 根据以上内容,回答下面的题目。What is the most important reason that Sequoyah wiU be remeIll]bered?