确诊空腔性脏器损伤的依据是()
A.腹痛腹胀的程度
B.腹穿抽出不凝固的血液
C.移动性浊音
D.膈下有游离气体
E.腹肌紧张
参考答案:D
Jane is one of the best students in her class who ____ by their teacher. [ ]
A. are praised
B. is praised
C. praised
D. praising
以下电气设备不是电流致热型的设备是()。
A.电动机
B.避雷器
C.低压电器
D.导线接头