37. A. floating                  B. flashing                C. hanging                D. shining

36. A. closed                    B. lifted                    C. opened                 D. fixed

35. _____ price decline ______ farmers' income, the central government has decided to buy more crops to protect farmers.

       A. Preventing; to affect                    B. To prevent; affecting

       C. Having prevented; affecting               D. To prevent; being affected

34. What a pity! He got nothing in ______ for his hard work.

       A. award            B. prize                 C. reward               D. result

33. ______ your timely warning, we would have been unaware of the danger.

       A. In spite of        B. But for               C. Instead of            D. As for

32. The question then ______ that the supply of drinking water in the mountainous area is serious.

       A. rises                 B. arises                 C. raises                 D. assesses

31. We could hardly believe what she says because she is ______ changing his mind.

       A. regularly             B. steadily                C. suddenly             D. constantly

30. ―OK, $ 500, but that is my last offer.

    ―_______.

       A. Good idea! B. What did you say? C. Oh, it's up to you.  D. OK, it's a deal.

29. To deal with the global financial crisis, China ______ the international community to help developing countries.

       A. called on         B. called up            C. called in             D. called for