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单选题
1075、If your decision is not to replace ＇the unit, monitor its temperature for a minimum of 20 cycles.
A
Keep monitoring the temperature of the unit for a minimum of 20 cycles until you install a new one.
B
If the unit remains unchanged, its temperature should be checked for at least 20 cycles.
C
If the unit is unchanged, it is necessary to monitor the ambient temperature for at least 20 cycles
答案解析
正确答案：B
解析：
解析:replace 代替,更换; install 安装; unchanged 不变,没有变化。
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