单项选择题
A．flora: plants B．vegetation: aboriginals C．fowl: amphibians D．livestock: oxen E．department: professors
Even though avant-garde attacks on the Victorian bourge...
单项选择题Even though avant-garde attacks on the Victorian bourgeoisie were （）in rhetoric, deficient in evidence, and malicious in intent, it does not follow that they had no （） grounds.
A．infantile... cogent B．florid... objective C．steeped ... justificatory D．spare ... intrinsic E． judicious... realistic
Scientists have （） for years that turbulence within the...
单项选择题Scientists have （） for years that turbulence within the gaseous clouds found throughout the Milky Way stymies star formation, but some of the forces behind this disturbance remain （）.
A．doubted... insufferable B．posited... unknown C．argued... relative D．assumed... exoteric E． conveyed ... insuperable
The vireo's comeback may prove that habitat along strea...
单项选择题The vireo's comeback may prove that habitat along streams in Southern California is recovering from the effects of pollution,（） indicator of environmental health in a state that has lost most of its （） woodlands.
A．a leading ... superfluous B．an apocryphal ... ecological C．a partial ... surfeit D．a telling ... riparian E． an anecdotal ... arboreal
