If you burned your arm on a bare steam line, the most effective immediate treatment would be to()
A. wrap the arm in a tight bandage
B. soak the arm in hot salt water
C. cover the burn with petroleum jelly
D. put the burn in cold water
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Evaluate the SQL statement: SELECT LPAD (salary,10,*) FROM EMP WHERE EMP _ ID = 1001; If the employee with the EMP_ID 1001 has a salary of 17000, what is displayed?()
A. 17000.00
B. 17000*****
C. ****170.00
D. **17000.00
E. an error statement
DF10D型机车采用柴油机的型号为()。
A. 12V180ZJ
B. 12V135ZJ
C. 6240ZJ
D. 12V240ZJ