I ride a bicycle to go to work every day and have a deep impression that the bicycle is very ________in our daily life.
A:convenient
B:available
C:possible
D:personal
若a→,b→,c→均为平面单位向量,且a→+b→﹣c→=(332,32),则c→=____
我国冬季最冷的地方是黑龙江省漠河县的 ____ .
如图是我市十二月份某一天的天气预报,该天最高气温比最低气温高( )
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