【简答题】It is amazing that jack built a robot .
【单选题】使用电动吸弓器吸痰时,吸出液不能超过瓶内容量的
【简答题】It is amazing that Jack built a robot _________ .
【单选题】圆柱的一个底面积为S,侧面展开图是一个正方形,那么这个圆柱的侧面积是( )
【单选题】---Was your holiday trip to Europe amazing? ---Not really! But___________we got back safe, before the European airspace restriction caused by the Icelandic volcano ashes.