35. The Expo site should be _______ from anywhere in the city of Shanghai within 90 minutes by bus, subways and special taxis.

　 　A. adoptable　　　 　 B. acceptable　　 　　 C. available　　　 　 D. accessible

34. The doctor said jokingly that his own infection of the virus _______ the discovery of a vaccine (疫苗)of the disease.

　 A. stood for　　　　　 B. called for　　　　 C. paid for　　　　 D. contributed to

33. -- Jimmy had a lot of parties recently.

-- Yes, that might ______ why he didn’t do well on the test.

A. sum up　　　　 　B. push for　　　 　　　　 C. account for　　　 　　 D. compensate for