【单选题】得益于这次经历,张骞对西域的地理、物产、风俗有了详细的了解,为丝绸之路提供了宝贵的资料。
【单选题】People smell (闻) with their ___.
【单选题】隔离开关拉不开时应采取( )的处理。 ( A)不应强拉,应进行检查; (B)用力拉; (C)用加力杆拉; (D)两人拉。
【单选题】Why did the people want the pub to stay there forever?
A.
Because it was owned by a rich person.
B.
Because it was the only meeting place for people.
C.
Because it has always been standing there.
D.
Because it had a special place in the city’s history.
【单选题】—Are we late?— I'm_____so.
【单选题】On Earth Day, people
A.
do things to help the enviroment
B.
celebrate the earth's birthday
【单选题】上图中,当I0.0为1状态,则线圈M0.0为
【单选题】—We should wait ________ more minutes. I think Jeff will come soon . —I’m afraid not . We have ________ time left , the plane is going to take off .
【单选题】发生误操作隔离开关时应采取( )的处理。 ( A)立即拉开; ( B)立即合上; ( C)误合时不许再拉开,误拉时在弧光未断开前再合上; ( D)停止操作。 ��
【判断题】计算结构的水平地震作用标准值或计算结构(构件)的地震作用效应与其他荷载效应的基本组合时,作用于结构的重力荷载采用重力荷载设计值。