5. How did those individuals who started service-industry businesses see such issues as corporate downsizing, restructuring, and an increase in global competition?They saw such issues as __________________ that offered ____________________________.
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6. Why can't many people act on their ideas and pursue their dreams?Because they are ____________________________.
7. What point has the story of the small company proved?Companies these days must __________________________ constantly.
8. What are the elements important to achieving success according to the writer?A _________________ and _______.
以下关于心肌纤维的描述中,哪一项是错误的()
A. 粗、细肌丝不形成明显的肌原纤维T小管
B. 具有二联体
C. 有横纹
D. 肌纤维分支吻合成网
E. 有多个核位于肌膜下