【单选题】What maybe the reason why some Hispanics have jobs but uninsured?
A.
They are not interested in health insurance.
B.
They do not believe in the insurance system.
C.
Their employers refuse to enroll them in the welfare system.
D.
Their income is not enough for their share of the premium.
【单选题】下列有关控制测试的样本规模的说法中,错误的是( )。
C.
拟测试的总体预计总体偏差率越高,所需的样本规模越大
【单选题】“花甲重逢,外加三七岁月;古稀双庆,还多一度春秋。”这是一幅写给( )岁老人的寿联。
【单选题】下列有关控制测试的样本规模的说法中, 错误的 是( )
【判断题】要捕捉中点,可在指定点提示下输入MID,然后按Enter键以执行覆盖捕捉。