75. All the people can __________(受益于) from using water in this way.

74. When I found this amazing power, I __________(犹豫) a long time thinking how I should use it.

73. The process of _________(申请) for studying abroad is long and complex.

72. Yufang talked to some friends from his university in Beiing and they helped _________(安排)

for his return.

根据首字母或小括号内的汉语意思，写出所缺单词的正确形式。

71. Chinese scientists has made many ____________(突破) in science and technology.

55.A.touch 　　　　　　 B. end　　　　　 C. save　　　　　 D. see