【单选题】数据库概念设计的E-R方法中,实体在E-R图中,用____表示。
【单选题】The government would be unwise to ____ the complaints of its people.
【判断题】当地震发生时,如果站台有列车停车,应按照值班站长指示立即对列车进行清客作业。
【单选题】概念设计的 E-R 方法中,实体在 E-R 图中,用下面哪一种形状表示
【判断题】“苏州俏”是旧时妇女所梳发髻的一种式样,先流行于苏州一带,故有此称。
【单选题】President Obama promised victims of the deadliest accident in 65 years ______ the government would help them.
【单选题】The government would not dare to impose taxes on such necessities as-bread or milk.
【单选题】The government would not dare to impose taxes on such necessities as bread or milk.