题目内容

试述破伤风杆菌的感染条件、致病机制和防治原则

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女性是否应该剔除因内分泌失调而导致的过于浓密的汗毛()。

A. 应该剔除
B. 不应该剔除
C. 随个人喜好而定

场(厂)内专用机动车辆装卸货物时重心越高,对()稳定性不利。

A. 横向
B. 纵向
C. 纵向、横向

如何维护镀镍电解液?

Which code fragments will succeed in printing the last argument given on the command line to the standard output, and exit gracefully with no output if no arguments are given?() CODE FRAGMENT a: public static void main(String args[]) { if (args.length != 0) System.out.println(args[args.length-1]); } CODE FRAGMENT b: public static void main(String args[]) { try { System.out.println(args[args.length]); } catch (ArrayIndexOutOfBoundsException e) {} } CODE FRAGMENT c: public static void main(String args[]) { int ix = args.length; String last = args[ix]; if (ix != 0) System.out.println(last); } CODE FRAGMENT d: public static void main(String args[]) { int ix = args.length-1; if (ix > 0) System.out.println(args[ix]); } CODE FRAGMENT e: public static void main(String args[]) { try { System.out.println(args[args.length-1]); }catch (NullPointerException e) {} }

A. Code fragment a.
B. Code fragment b.
Code fragment c.
D. Code fragment d.
E. Code fragment e.

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