帮忙翻译一下下面的英文,谢谢.
Thecurrentfocusonteacheraccountabilitywithtestingmeasuringstudentachievementplacesagreatemphasisontheteacher’sabilitytoteachthemathematicsthatstudentsshouldknowandbeabletodobasedonstatestandards.Theseconceptsarethentestedtoassessmastery.InexplainingtheNoChildLeftBehindActof2001,theU.S.DepartmentofEducationnotedthat“studentprogressandachievementwillbemeasuredaccordingtostatetestsdesignedtomatchthosestatestandardsandgiventoeverychild,everyyear”(U.S.DepartmentofEducation,2004).Theemphasisonobservableresultshasincreasedstressforteachers,whichmayexacerbatesomeelementaryteachers’mathanxiety.Mathematicsanxiety,ifcarriedoverintoanxietyaboutteachingelementarymathematics,couldhaveanegativeimpactonstudents’abilitytolearnmathematicsappropriately.