30．Rio De Jeneiro has won the right to host the 2016 Olympic Games, and the Brazilians will be occupied in building stadiums　　　 .

　　　 A．as usual　　　　　　 B．on a large scale　　　　　　　　　　　　　　　 C．in return　　 D．in a row

29．As I walked through the town, I was reminded of my childhood.

　　　 A．awfully　　　　　　　 B．abundantly　　 C．constantly　　　 D．slightly

28．She gave her husband a full　　　 of her conversation with her doctor.

　　　 A．account　　　　　 B．assessment　　　 C．anecdote　　　　 D．acquisition

27．I witnessed the whole terrible accident, so I was taken to the police station and described it　　　　　 .

　　　 A．at length　　　　　 B．at stake　　　　　　 C．on purpose　　　 D．on end

26．I have battled with my 　　　　whether I should keep the extra money given to me or return it to the seller.

　　　 A．consciousness　 B．perseverance　 C．motivation　　　 D．conscience

25．The three sister of the Soong family received their further education in America and all the customs and cultures there had a very　　　　 influence on the way they lived and thought.

　　　 A．secure　　　　　　　 B．significant　　　　 C．appropriate　　 D．diverse