应当优先选用低噪声设备,采取()、减少接触时间等措施降低噪声危害。
A.隔声
B.消声
C.吸声
D.减振
参考答案:A, B, C, D
__________ you promise to come to help me,I don’t mind what time tomorrow you arrive at my place.
A.So long as
B.So far as
C.As good as
D.As well as
男性患者,61岁,右利手,主诉3天来左眼失明多次发作,每次持续5分钟。进而持续头痛,语言表达困难,右手及右侧下部面肌力弱。最可能的诊断是()
A.左侧大脑中动脉闭塞
B.累及左侧运动皮层区的局灶性癫痫发作
C.慢性硬脑膜下血肿
D.左侧颈内动脉闭塞
E.偏头痛