【单选题】当梁的腹板高度Hw大于多少时必须配置构造钢筋,其间距不得大于多少?
【单选题】以下哪个选项不属于意大利派关于文物保护的思想观点
A.
文物建筑有多方面价值,不仅是艺术品,更是文化史和社会史的见证
B.
保护文物建筑的全部历史信息,并且使这部历史清晰可读
D.
反对片面追求恢复文物建筑的初始风格,更不能去“创造”根本不存在的纯正风格
【单选题】According to the first two paragraphs, regret _____.
A.
can be avoided if we make a different choice
B.
occurs when we look back
C.
is the most pervasive negative emotion
D.
can help people learn and improve life
【单选题】Working abroad for many years, he has made a big _______ and started a company of his own.