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搜题
【单选题】
在动稳性曲线图上可以求得以下数据()。
A.
极限动倾角
B.
稳性消失角
C.
已知外力矩求动倾角
D.
以上都是
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【判断题】如果导游员拥有驾驶证,在遇到司机酒后开车时,可要求替换其驾驶.( )
A.
正确
B.
错误
【多选题】以下国际市场用户描述对的有?
A.
非洲市场对产品档次要求非常高,有严格的质量和行业协会认证要求, 非洲每年进口到国内的货物量很大
B.
法国客户是非常有时间观念的
C.
南美大陆语言以西班牙语、葡萄牙语为主
D.
俄罗斯人很注重仪表,很爱干净, 善饮伏特加酒
【判断题】There's no need to test the meter on a known live circuit to make sure the meter is operating.
A.
正确
B.
错误
【判断题】如果导游人员拥有驾驶证,在遇到司机酒后开车时,可要求替换其驾驶。( )
A.
正确
B.
错误
【单选题】如果司机酒后驾车,导游员应
A.
要求司机休息
B.
请求调换司机
C.
自己顶替开车
D.
改变行程
【单选题】要检验总体方差是否有变应采用
A.
u检验
B.
卡方检验
C.
t检验
D.
F检验
【判断题】In the US, when taking a taxi, always remember to check that your driver has a valid ID card which should be displayed and make sure the meter is running.
A.
正确
B.
错误
【多选题】To measure ( ), the circuit must be broken to allow the meter to be connected in series. To measure( ), the circuit is not changed, the meter is connected in parallel.To measure ( ), the component ...
A.
resistance
B.
voltage
C.
current
D.
sensor
【单选题】Suppose that whether the meter is located on campus is an important explanatory factor. Why should the variable that depicts this attribute not be included in the model?
A.
Its inclusion will introduce autocorrelation
B.
Its inclusion will introduce multicollinearity
C.
Its inclusion will inflate the standard errors of the estimated coefficients
D.
Both (b) and (c)
【简答题】The meter is a ________ of length.
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