非生物物质 xenobiotic substances
非生物物质 xenobiotic substances
相关考题：
Vitaminsarecomplex________thatthebodyrequiresinverysmallamounts.A)mattersB)materialsC)particlesD)substances
No discharge into the sea shall contain ______ in quantities or concentrations which are hazardous to the marine environment or chemicals or other substances introduced for the purpose of circumventing the conditions of discharge specified in MARPOL 73/78.A.chemicalsB.chemicals or other substancesC.substancesD.other substances
The discharge into sea of substances in Category A as defined or of those provisionally assessed as such or ballast water，tank washings，or other residues or mixtures containing such substances shall be ______．A.MotivatedB.InnovatedC.ProhibitedD.Provided
单选题No discharge into the sea shall contain（）in quantities or concentrations which are hazardous to the marine environment or chemicals or other substances introduced for the purpose of circumventing the conditions of discharge specified in MARPOL 73/78.AchemicalsBchemicals or other substancesCsubstancesDother substances
判断题地球表层几乎所有的物质都是非生物来源的。A对B错