At first my new     36      were difficult to tolerate. The air seemed thin,    37      its combination of gas had little oxygen left. Hit by     38      fresh air, my head ached. Just as I tried to make necessary adjustment     39      this new situation, Wang Ping appeared. “    40      this mask”, he advised, “It will make you feel much better”. I feel better    41     . Soon I was back on my feet again and following him to collect a hovering carriage    42     by computer. Wang Ping fastened my safety belt and showed me how to use it. Soon I could fly as fast as him. However, I lost sight of him when we reached     43      looked like a large market because of too many carriages flying     44      all directions.

36．A．surrounds                   B．surroundings                      C．surrounding                D．surrounded

37．A．even if                              B．what if                         C．as if                     D．only if

38．A．a lack of                     B．a lack for                    C．lack for                       D．lacks of

39．A．of                               B．on                               C．to                         D. at

40．A．Put up                       B．Put on                         C．Have on               D. Take up

41．A．in a time                     B．in one time                        C．in short time               D. in no time

42．A．to drive                      B．driving                        C．driven                  D. drives

43．A．it                                B．that                             C．which                   D. what

44．A．by                               B．at                                      C．by in                   D. by at