【单选题】Why was Fred so upset? He isn’t used ____ criticized.
【单选题】“Why was Fred so upset?” “He isn’t used __ __ criticized.”
【简答题】牛场的消毒方法主要有:物理消毒法、化学消毒法、 法。
【单选题】"Why was Fred so upset?" "He isn't used ___ criticized."
【判断题】色彩明度从低到高排列的顺序为:白黄青绿红蓝黑。
【简答题】牛场的消毒方法主要有:物理消毒法、化学消毒法、 法。