The author implies that
A. Glanz should not have become a student again.
B. Glanz is a better teacher than she was before.
C. Glanz later told her math teacher that she lied.
D. social study is an unimportant subject.
The author implies that
A. most students who cheat on tests are caught by their teachers.
B. most teachers demand too little of their students.
C. students who get good grades in high school also do so in college.
D. students never question waht teachers say.
骨骼肌收缩时
A. 粗肌丝长度缩短
B. 细肌丝长度缩短
C. 暗带长度缩短
D. 明带长度不变
E. 肌节变短
骨骼肌细胞钙离子浓度最高的部位是
A. 细胞外液
B. 细胞内液
C. 终池
D. 横管
E. 以上都不是
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