题目内容

脊髓节段的下列哪项表述是错误的?()

A. 脊髓可分成30个节段
B. C5-T2节段组成颈膨大部
C. L1-S2节段构成腰膨大部
D. 脊髓圆锥部由S5-尾节组成
E. 高颈髓部包括C1-4节段

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A. 减小火灾规模、减小分隔距离
B. 减小火灾规模、增大分隔距离
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10. class MakeFile { 11. public static void main(String[] args) { 12. try { 13. File directory = new File(”d”); 14. File file = new File(directory,”f”); 15. if(!file.exists()) { 16. file.createNewFile(); 17. } 18. } catch (IOException e) { 19. e.printStackTrace 20. } 21. } 22. } The current directory does NOT contain a directory named “d.” Which three are true?()

A. Line 16 is never executed.
B. An exception is thrown at runtime.
C. Line 13 creates a File object named “d”.
D. Line 14 creates a File object named “f‟.
E. Line 13 creates a directory named “d” in the file system.
F. Line 16 creates a directory named “d” and a file “f” within it in the file system.
G. Line 14 creates a file named "f " inside of the directory named “d” in the file system.

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