【单选题】Mike has become so fat recently that his mother has to ______ his trousers to his measure.
【简答题】On the closet ______ a pair of trousers his parents bought for his birthday. A) lying B) lies C) lie D) is laid
【判断题】引起副溶血性弧菌食物中毒的食品主要是海产品。()
【单选题】This pair of trousers _____ his. My trousers _____ on the desk. [ ]
【单选题】Mike has put on so much weight this year that his mother has to ________ all his trousers to his measure. [ ]
【简答题】设R为定义在集合上的一个关系,若R是自反的,对称的,传递的,则R为()