()是最直观、可靠的超前预报手段,通过分析可以判断地层变化、岩性差异、地层含水量等信息。
A、常规地质法
B、物理勘探法
C、钻探法
D、隧道地震波法
参考答案:C
Sound changes may include the loss of a sound or sounds. The so-called apocope refers to the omission of a vowel segment________. ( )
A.in word-initial
B.in word-middle
C.in word-final
D.in syllable-initial
患者,女,56岁。车祸后脑外伤处于昏迷状态,护士进行电动吸痰时操作不正确的是
A.将病人头转向护士B.有活动义齿应取下C.成人吸痰负压为40~53.3kPaD.先吸气管内分泌物,再吸口咽喉分泌物E.动作应轻柔,避免损伤呼吸道黏膜