Write the word which isnota synonym for the word(s) in bold to fill in the blank.1.accumulatebuild up / collect / diminish2.crankysad / irritable / in a bad mood3.touch onfocus on / speak about briefly / mention4.fatiguetiredness / anger / exhaustion5.make something a priorityregard as more important / be responsible for / regard as main concern6.criticalcrucial / important / incorrect
投掷一枚均匀硬币和一枚均匀骰子各一次,记“硬币正面向上”为事件A,“骰子向上的点数是3”为事件B,则事件A,B中至少有一件发生的概率是()。
A. 5/12
B. 1/2
C. 7/12
D. 3/4
从一箱产品中随机地抽取一件,设事件A={抽到一等品},事件B={抽到二等品},事件C={抽到三等品},且已知P(A)=0.65,P(B)=0.2,P(C)=0.1,则事件“抽到的产品不是一等品”的概率为( )
A. 0.7
B. 0.65
C. 0.35
D. 0.5