在打印件上出现黑点或黑道，并且换纸后仍出现在同一位置上怎么办？
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与双端方式相比较，采取I/Q正交调制器单端输入、输出可以降低串话干扰，减小噪声专业整理和PE（）
Generally speaking, the hard one works, _______.
A. the better he gets result
B. the better result he gets
C. he gets better result
D. does he get better result
There were many more people who got injured in the big fire than _______.
A. was reported
B. it was reported
C. were reported
D. hey were reported
大量输入库存要注意补钙，一般每输血1000mL，即通过输血管补钙1g（）
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