表示庄严、悲痛、冷淡等感情或一般的叙述说明用()
A、升调
B、降调
C、曲调
D、平调
参考答案:D
反映标准化心理测验可靠性的技术指标是()
A.样本量
B.常模
C.标准差
D.信度
E.效度
After going into the concert hall, the mother ________ a friend and went over to greet him.
A.searched
B.knew
C.realized
D.spotted