下列哪项不是睡眠时的生理变化()
A.呼吸、心理减慢且规则
B.血压、体温下降
C.感觉功能暂时减退
D.肌肉逐渐紧张
参考答案:D
Peter seemed to have an instant understanding of the most ________ problems. [ ]
A. complex
B. fashionable
C. curious
D. simple