在标准化常模参照测验中,测验项目的恰当难度是尽量接近()
A.0.50
B.被试的通过率
C.1.00
D.特定的划界点(或称决断点)水平
参考答案:A
钻井平台保险一般采用保险方式承保,保险金额以价值方式确定()。
A.重置、定值
B.定值、估算
C.定值、重置
D.定值、核算
The role of the teacher in a Communicative Approach classroom are______.
A.a facilitator of students'learning
B.a manager of classroom activity
C.an advisor of students'questions
D.all of the above