根据句子内容和汉语提示，用所给词的正确形式填空（一空一词，每题1.5分，共15分,请把正确的词写在答卷纸上）
71. 【小题1】John Snow wanted to face the challenge ( 挑战 ) and solve this problem.
72. 【小题2】He found that it came from the river polluted ( 污染 )by the dirty water from London.
73. 【小题3】The southern part of Ireland was unwilling and broke (脱离) away to form its own government.
74. 【小题4】For convenience, it is divided roughly ( 大约 )into three zones.
75. 【小题5】At first my new surroundings (环境) were difficult to tolerate.
76. 【小题6】These carriages float above the ground and by bending or pressing (按，压) down in your seat.
77. 【小题7】We are delighted (高兴的) you are ing to work with us.
78. 【小题8】Meanwhile/Meantime (与此同时) you have to prepare the next question depending on what the person says.
79. 【小题9】The functions of your skin are also very plex (复杂的).
80. 【小题10】You can get burned by a variety (多样) of things: hot liquids, steam, fire, radiation ect.
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