1大卡的热量是指使()公斤水温度升高(或降低)1℃所吸收(或放出)热量. ["1","1.5","2","5"]
杂志媒介的局限性是() ["保存时间","时效性","复制质量","声誉"]
环境温度升高会使空压机排气(). ["减少","增加","不变"]
竞争对手的广告攻势强劲,则企业投入的广告费用() ["少","很少","一般","较多"]
活塞与汽缸上下间隙一般为(). ["2—3mm","1—2mm","3—5mm"]
()是湖南省的地方戏,代表戏有《刘海砍樵》《打铜锣》《补锅》等。