Theerrorinthemeasurementofthealtitudeofacelestialbody，causedbyrefraction，increasesasthe（）.
A. horizontalparallaxdecreases
B. observer'sheightabovesealevelincreases
C. humidityoftheatmospheredecreases
D. altitudeofthebodydecreases
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Usuallythepanelsareinterlockedwith（）sothatthedevicescanbemadedeadbeforethedoorsareopened.
A. protectiveearth
B. isolators
C. groundswitch
D. circuit-breakers
Thepurposeofthe“set”handonananeroidbarometeristo（）.
A. adjustthebarometer
B. indicateanychangeinthereadingofthebarometer
C. provideacorrectionforheightabovesealevel
D. provideacorrectionfortemperaturechanges
It（）foranemergencygeneratortorequireparalleling.
A. isusual
B. isnotusual
C. isnecessary
D. isnotimpossible
当事人逾期不履行行政处罚决定的，入境检验检疫机构不能采取（）
A. 申请人民法院强制执行
B. 根据法律规定，将查封、扣押的财物拍卖抵缴罚款
C. 通知银行将当事人的存款划拨抵缴罚款
D. 每日按罚款数额的3％加处罚款
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