题目

腊月某一天的天气预报中,瑞安的最低温度是-2℃,哈尔滨的最低温度是-26℃,这一天瑞安的最低气温比哈尔滨的最低气温高 ( ) A . 24℃ B . -24℃ C . 28℃ D . -28℃ 答案:A Scientists photographed for the first time ever _____ wild gorillas used a stick to test the depth of a pool before getting into it, according to a recent study. A. which           B. what             C. that             D. when
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