77. English ever took___________(占有)of Hong Kong.

76. Many Irish people s________ in America in the 19th century.

75. Jia Sixie's book is a practical g_________ to farming.

74. The biggest problem is the _________(缺少)of arable land.

73. Modern agriculture has great e_________ on people's life.

72. It usually takes four hours to get my cell phone fully c_________.

第一节 单词拼写(共10小题，满分10分)

根据下列句子及所给的首字母或中文，在空白处填上各单词的正确形式

71. It's _________(不必要)to spend so much money on clothes.