题目内容
输入单片机的复位信号需延续个机器周期以上的电平时即为有效，用以完成单片机的复位初始化操作。
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B. Replace the boldfaced words in the following sentences with appropriate specific verbs in the chart above to make the description more precise and vivid.1) It has been her long-cherished dream to walk with her lover on the beach of the Maldives at sunset. ___________2) Groping in the darkness, the injured explorers walked out of the cave, tired out. ____________3) Instead of being butchered, cows are allowed to walk in the streets in Indian cities. ____________4) Tens of thousands of US school children walked out of classes, calling for “books not bombs”. ____________5) Last night a burglar walked into their dormitory and stole three laptops, 4 smartphones along with a digital camera. ____________6) The audience enthusiastic to see the superstar had to control their passion and walk to the stadium at a snail’s pace due to the considerable number of them. ____________7) She chuckled, and her feet made a dull sound as they walked along the hardwood floor. ____________8) Two-year-old Tommy is walking to his favorite domain — the sandpit in the garden. ____________
随机试验E为: 统计某路段一个月中的重大交通事故的次数,A表示事件”无重大交通事故”,B事件表示至少有一次重大交通事故,C事件表示重大交通事故的次数大于1,D事件表示发生重大交通事故的次数小于 2,则相容的事件是 ()
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