皮皮学，免费搜题
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搜题
【多选题】
传感器比较常用的有如下（ ）分类方法A.
按工作机理分类
B.
按敏感材料分类
C.
按能量关系分类
D.
按被测量类别分类
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】根据我国《保险法》规定，投保人对保险标的应当具有保险利益，投保人对保险标的不具有保险利益的，保险合同无效。( )
【单选题】It is generally not for expectant mothers to travel by air after the 28 th week of pregnancy.
A.
applicable
B.
considerable
C.
advisable
D.
indispensable
【单选题】My holiday starts next week and I come back the week after, on the 10th. Here come back is used to
A.
refer to the present
B.
refer to the future
C.
refer to the past