Assessment: Business English USES official examinations or interviews, while general English resorts to placement tests and interviews for grade or class arrangement.

评估水平：商务英语运用正式的考试或面试，而普通英语则使用排位考试和面试来分级或分班。

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There is also increasing evidence that interventions can produce middle-to longer-run effects on school achievement, special education placement, grade retention, disruptive behavior and delinquency and high school graduation.

UNESCO: II Part Analytic Section