停电更换低压熔断器后,恢复操作时,戴上手套即可进行。
查看答案
电焊弧光辐射主要包括红外线和紫外线,不包括可见光线。()
A. 正确
B. 错误
国务院农业行政、质量监督、工商行政管理和国家食品药品监督管理等有关部门获知有关食品安全风险信息后,应当立即向()通报。
What is wrong with the following code?() class MyException extends Exception {} public class Qb4ab { public void foo() { try { bar(); } finally { baz(); } catch (MyException e) {} } public void bar() throws MyException { throw new MyException(); } public void baz() throws RuntimeException { throw new RuntimeException(); } }
A. Since the method foo() does not catch the exception generated by the method baz(), it must declare the RuntimeException in its throws clause.
B. A try block cannot be followed by both a catch and a finally block.
C. An empty catch block is not allowed.
D. A catch block cannot follow a finally block.
E. A finally block must always follow one or more catch blocks.
青蛇毒的病位在()。
A. 皮肉
B. 筋脉
C. 肌肤
D. 骨
E. 以上都不是