71.Professor john Bath‘s lectures are (A)given in a traditional way (B)connected with the present situation (C)open toboth students and their parents (D)warmly received by economics

75.what‘s the main idea of the text? (A)Universities have received more applications. (B)Eonomics is attracting an increasing numbers students (C)college students benefit a lot from economic uncertainty (D)parents are concerned with children‘s subject selection.