65．What makes it difficult to build green schools in Cark Cunty? (A) The large size. (B) Limited facilities. (C) The desert climate. (D) Poor natural resources.

61. What can be learnt about Swiss watch industry from the passage? (A) It targets rich people as its potential customers. (B) It’s hard for the industry to beat its competitors. (C) It wastes a huge amount of money in advertising. (D) It’s easy for the industry to reinvent cheap watches.