皮皮学，免费搜题
登录
搜题
【单选题】
个别插入短轨线路的允许速度不得大于( )。A.
100km/h
B.
120km/h
C.
140km/h
D.
160km/h
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Variances:
A.
are quantitative expressions of action plans
B.
provide feedback by comparing results with plans and by highlighting deviations from plans
C.
are deviations from a plan
D.
ignore areas that are presumed to be running smoothly
【简答题】The surgeon has performed the ____. 外科医生做了这个手术。
【判断题】flexible budget allows us to isolate activity variances and revenue and spending variances.
A.
正确
B.
错误
【单选题】The test for the equality of two population variances is based on the
A.
ratio of the two sample variances
B.
difference between the two sample variances
C.
difference between the two population variances
D.
difference between the sample variances divided by the difference between the sample means
【单选题】The test for the equality of two population variances is based on:
A.
the difference between the two sample variances.
B.
the ratio of the two sample variances.
C.
the difference between the two population variances.
D.
the difference between the sample variances divided by the difference between the sample means.
【单选题】Rate variances are the same as ________ variances. Efficiency variances are the same as ________ variances.
A.
spending; effective
B.
activity; static
C.
usage; quantity
D.
price; quantity
相关题目：