【判断题】最大弯矩必定发生在剪力为零的横截面上。( )
【判断题】混凝土拆模后可能与流动水接触时,应在混凝土与流动的地表水或地下水接触前采取有效保温保湿养护措施养护14d以上,且确保混凝土获得75%以上的设计强度。()
【单选题】Those ________ are interested in the job position need to send an email to us.
【简答题】There are several ____ in this street. A. flower shops B. flowers shops C. flower's shops D. flowers' shops 27. Those who come from __ speak __. A. German; German B. German; Germany C. Germa...
【单选题】Those _____are _____.
【单选题】The history of African-Americans during the past 400 years is traditionally narrated【21】an ongoing straggle against【22】and indifference on the part of the American mainstream, and a straggle【23】as an ...