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【多选题】
杀灭芽孢,可以选择A.
煮沸2h
B.
间歇灭菌法
C.
消毒法
D.
高压蒸气灭菌法
E.
流通蒸气灭菌法15~30min
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反馈参考答案：
举一反三
【单选题】Ecotourism relies on
A.
government aid exclusively.
B.
local people and their donations of time and money.
C.
initial loans at the beginning, followed by support from tourists.
D.
government assistance through agencies and local disposable income.
【简答题】如果计数频率为10KHZ,设定TIM2_ARR为 100-1 ,则TIM2定时中断的频率为( )HZ。
【单选题】A navigator's chronometer will always show
A.
Greenwich time
B.
noon time
C.
local time
D.
sun time
【单选题】In the video, Tim says that his local community in the US would give a lot of scholarships to students who graduate from________________.
A.
the local kindergarten
B.
the local primary school
C.
the local high school
D.
the local university
【简答题】对同一船舶设定抵押权，（ ）。
【简答题】假设定时器TIM2的预分频值为PrescalerValue,计数初值为ARRValue,请完善定时器初始化程序。 TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); TIM_TimeBaseStructure.TIM_Prescaler = _____...
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