A well-known example of the large scale destruction of an ecosystem through vegetation removal to accommodate tourist facilities is the case of the _______.
A、coastalregionsofAustraliaB
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_______inthought,healmostranintothecarinfrontofhim.
Bythemiddleofthe21stcentury,thevastmajorityoftheworld’spopulationwillbelivingincities_______inthecountry.
Themissingboyswerelastseen________neartheriver.
Touristexpenditureshavedifferenteffectsonadestinationeconomy:salesbyfoodvendorstorestaurantsare_______effect;whiletaxifaresandairlineticketsalesare_______effect.
InEurope_______arethetwoleadingcontendersforaglobalreservationssystem.
