题目

41. 到游乐园有很多方法：可以坐高速大巴、宾馆的往返汽车，或者乘地铁。 There are _______ ways to reach the ______ park: by _______, by hotel ________, or by subway. 42. 她的行为鼓舞了其他人继续为保护野生动物而奋斗。 Her _______ _______others to carry on the flight for wildlife protection. 43. 比赛过后，戴维挥舞着双臂，十分兴奋。 After the race, David waved his arms in a _______ of _______. 44. This _______(人物) was a social ________ (fail) but was loved for his optimism    and ____________ (determine) to ______在等差数列{an}中，已知a5=3，a9=6，则a13=（ ）A.9B.12C.15D.18