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【单选题】
若使逻辑表达式x>y Xor yA.
x = 3、y = 3、z =4
B.
x = 2、y =1、z = 2
C.
x=1、y=3、z=2
D.
x=2、y=2、z=2
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举一反三
【单选题】We can use all the following to describe Professor Su EXCEPT ____.
A.
scary
B.
kind
C.
friendly
D.
fluent in Chinese and English
【单选题】关于情绪障碍,正确的理解是()
A.
人是有情绪的动物,而情绪又会影响人的正常思维和行为。当人处于郁闷、悲伤、愤怒或兴奋中时,沟通障碍就已经产生了
B.
情绪是动物才会产生的,人应该具备正常思维和行为。当人处于郁闷、悲伤、愤怒或兴奋中时,会自我调节,不会产生情绪障碍
C.
面对变化的市场、变化的旅客群体,过去的经验容易让铁路旅客运输服务人员固执己见,而形成服务偏见
D.
学习多国语言、了解语言的基本含义是做好服务工作和避免产生情绪障碍的前提
【判断题】We use indicators such as the gross domestic product (GDP), the interest rate, and the price indexes to measure the health of our economy.
A.
正确
B.
错误
【单选题】关于情绪障碍,正确的理解是()
A.
人是有情绪的动物,而情绪又会影响人的正常思维和行为。当人处于郁闷、悲伤、愤怒或兴奋中时,沟通障碍就已经产生了;
B.
情绪是动物才会产生的,人应该具备正常思维和行为。当人处于郁闷、悲伤、愤怒或兴奋中时,会自我调节,不会产生情绪障碍;
C.
面对变化的市场、变化的旅客群体,过去的经验容易让铁路旅客运输服务人员固执己见,而形成服务偏见;
D.
学习多国语言、了解语言的基本含义是做好服务工作和避免产生情绪障碍的前提;
【简答题】Aircraft use two types of turn indicators: and .
【单选题】To test whether there is a difference between male and female indicators in a sampling study, in what situation should we use two-sided test? ( )
A.
We don't know whether the average platelet level is higher in men or higher in women.
B.
it is known that women have lower average lung capacity than men
C.
it is known that women have lower levels of hemoglobin than men
D.
it is known that there is no difference in the number of white blood cells by gender
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