题目

小明进行一次气温观测实验:他用两支温度计对4月3日的气温变化进行了观测.他将一支温度计放在阳光下,另一支放在室内,每隔2小时观测一次,其数据记录如下表:时刻室外温度/℃室内温度/℃271646166515.58916101218121820142621162220181919201518221017.5248.517请根据表中数据回答下列问题: (1) 室内、室外温度波动的情况是. (2) 一天中气温最高值出现在,最低值出现在. (3) 小明将两支温度计分别放在两处的目的是进行.When the boy came to himself, he found himself ________ by his teacher and classmates, which made him quite moved. A. surrounding  B. surround C. surrounded  D. surrounds
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