一个电容分压器远端模块应配置()路AD采集其输出信号。
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梨黑斑病幼嫩叶片最易感病,开始时产生针头大小的()小斑,边缘明显。
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
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