题目

根据句子意思和所给首字母或中文提示，在标有题号的横线上写出一个英语单词的完整、正确形式，使句意通顺。 81. Calculate what p______ of your income you spend on food. 82. Even slight rent increases would cause considerable h_____. 83. As the wages were low, there were few a______ for the post. 84. Scientists are hoping for a b_____ in the search for a cure for cancer. 85. Your ticket is v_____ for travel at anytime of the day. 86. Radio is an important communication _______(媒介) in many countries. 87. Team members will be selected according to strict ______.(标准) 88. I want to get a new passport but I don’t know the ______. (程序) 89. At the ______(最初的) stage of the project not everyone had access to a computer. 90. It is useful to have a ________(附近) supermarket. 答案：

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