Awell-knownexampleofthelargescaledestructionofanecosystemthroughvegetationremovaltoaccommodatetouristfacilitiesisthecaseofthe_______.

JeanWagner’mostsenduringcontributiontothestudyofAfro-Americanpoetryishisinsistencethatit________inareligious,aswellasworldly,frameofreference.

Sofarscientistshaveonlyacquired________understandingofthephysicalprocessesthatcauseearthquakes.

名词解释：silentpartnership

Pleasewriteareport________theabovesubjectsaretobecovered.