有的测验关注的是被试答题的正确性,要求受测者认真思考,准确地回答问题。这种测验被称为()
A.个别测验
B.团体测验
C.速度测验
D.难度测验
参考答案:D
—How much ______ the T-shirts?
—______28 dollars. [ ]
A. does; It
B. are; Are
C. are; They're
D. is; It's
工程上认为R=25Ω、L=50mH的串联电路中发生暂态过程时将持续()
A、30~50ms
B、37.5~62.5ms
C、6~10ms