黑龙江2025自考[生物医药数据科学]英语二模拟题及答案.docxVIP

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黑龙江2025自考[生物医药数据科学]英语（二）模拟题及答案

一、选择题（共20题，每题1分，计20分）

1.Whatistheprimarypurposeofstatisticalanalysisinbiopharmaceuticalresearch?

A.Todeterminetheeffectivenessofanewdrug

B.Tocalculatethecostofproduction

C.Tooptimizemanufacturingprocesses

D.Topredictmarkettrends

2.Whichofthefollowingisacommondatapreprocessingstepinbiomedicaldatasets?

A.Dataaggregation

B.Featureselection

C.Datatransformation

D.Alloftheabove

3.Inthecontextofclinicaltrials,whatdoesp-value0.05typicallyindicate?

A.Statisticallysignificantresults

B.Highvariabilityindata

C.AhighriskoftypeIerror

D.Negativetrialoutcomes

4.Whichmachinelearningmodelisoftenusedforclassificationtasksinmedicalimaging?

A.Linearregression

B.Logisticregression

C.Randomforest

D.Principalcomponentanalysis

5.Whatdoesoverfittingmeaninthecontextofdatascience?

A.Themodelistoosimpletocapturedatapatterns

B.Themodelistoocomplexandlearnsnoiseinthedata

C.Themodelperformspoorlyonnewdata

D.Themodelhashighbias

6.Whichdatabasesystemiscommonlyusedforstoringlarge-scalebiomedicaldata?

A.MySQL

B.MongoDB

C.PostgreSQL

D.Hadoop

7.WhatisthemainadvantageofusingPythonforbiomedicaldataanalysis?

A.Highexecutionspeed

B.Richlibrariesforscientificcomputing

C.Superiorperformanceonlargedatasets

D.Lowercostcomparedtootherlanguages

8.Whichstatisticaltestisappropriateforcomparingthemeansoftwoindependentgroups?

A.t-test

B.Chi-squaretest

C.ANOVA

D.Correlationtest

9.Whatdoesconfusionmatrixrefertoinmachinelearning?

A.Atableusedtoevaluatemodelperformance

B.Agraphshowingdatadistribution

C.Astatisticalmeasureofvariability

D.Atechniquefordatanormalization

10.Whichofthefollowingisacommonchallengeinanalyzinglongitudinalbiomedicaldata?

A.Highdimensionality

B.Missingvalues

C.Non-stationarity

D.All