混凝土强度试样的取样原则是( )。
参考答案
参考解析
【单选题】
Which of the following about teaching assessment is inappropriate?
Diagpostic assessment is a kind of test carried out after a teaching activity.
Formative assessment should be student-oriented.
Summative assessment is often carried out at the end of a term.
Portfolios,daily reports,and delivering speeches are all formative assessment.