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【单选题】
女，53岁．近2～3年来月经不调，表现为周期延长，增多且淋漓不净，此次停经3个月，阴道出血10，量多，给予诊刮止血，刮出物组织学检查为子宫内膜腺瘤样增生A.
诊刮后应用孕激素
B.
全子宫切除术
C.
诊刮后抗炎治疗
D.
子宫内膜电切术
E.
诊刮后观察随访
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【单选题】在一次体育测试中，小芳所在小组8人的成绩分别是：46，47，48，48，49，49，49，50，则8人体育成绩的中位数是（ ）
A.
47
B.
48
C.
48.5
D.
49
【简答题】估算。 304+4988 ≈ 4139 ÷48 ≈ 703 ×49 ≈ 6943-2150 ≈
【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
【单选题】Activity-level variances plus flexible-budget variances equals:
A.
total master-budget variances
B.
total standard variances
C.
total actual variances
D.
None of these answers is correct.
【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
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