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【单选题】
抛掷两枚骰子各一次,记第一枚骰子掷出的点数减去第二枚骰子掷出的点数的差为x,则“X≥5”表示的试验结果是 [     ]
A.
第一枚6点,第二枚2点
B.
第一枚5点,第二枚1点
C.
第一枚1点,第二枚6点
D.
第一枚6点,第二枚1点
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参考答案:
举一反三
【单选题】下列颜色中,不属于三原色的是( )
A.
红色
B.
黄色
C.
蓝色
D.
橙色
【简答题】Somedoctors practice deception because they believe that __________.A. telling the patients the truth may destroy their hope of recovery B. their lies are absolutely different from self-serving ones C...
【简答题】Although there is no cure for the common cold, doctors believe that vitamins can help pr them. Many doctors recommend vitamin C to pr colds, and some doctors suggest that you take large amou...
【单选题】Some doctors practice deception because they believe that __________.
A.
their lies are absolutely different from self-serving ones
B.
the seriously ill don’t want to know the truth about their condition
C.
telling the patients the truth may destroy their hope of recovery
D.
all of the above
【单选题】下列颜色中不属于三原色的是哪一种?
A.
B.
C.
绿
D.
【单选题】( )下列颜色中不属于三原色的是哪一种:
A.
B.
C.
D.
绿
【判断题】It's different between western countries and eastern countries about how to keep healthy. Traditional Chinese doctors believe we need a balance of cool yin and hot yang to be healthy. In China, herbs(...
A.
正确
B.
错误
【单选题】已知圆的半径R=3.145mm,运用有效数字的运算法则,求周长C()
A.
19.75mm
B.
19.751mm
C.
19.76mm
D.
19.763mm
【单选题】单选题-动物血清抗毒素对人而言属于
A.
异种抗原
B.
同种异型抗原
C.
独特型抗原
D.
共同抗原
E.
合成抗原
【判断题】发动机的配气相位是由制造厂家根据发动机结构和性能要求的不同,通过反复试验来确定的,因此均为定值是不可改变的。( )
A.
正确
B.
错误
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