63. (A)cording to Salvatori， the marketplace may also help to improve Toronto’s _______. (A) market management (B) travel industry (C) community service (D) city planning

66. National parks like Yosemite in the U.S. find it increasingly difficult to meet the need of visitors because ________. (A) their transport management needs improving (B) they spend too much on their service systems (C) their service systems frequently go out of order (D) they need help from environmental organizations