【单选题】Which city does “concret jungle” refer to in the Video?
【单选题】房屋建筑中钢筋混凝土梁、楼板属于( )。
【判断题】Cometence and performance refer respectively to a language user's underlining knowledge about the system of rules and the actual use of language in concret situations.
【判断题】一般情况下,路堤和路堑采用折线形边坡时,均为上边坡陡于下边坡。
【判断题】利润最大化虽然考虑资金时间价值,但没有考虑投资风险价值()
【单选题】中国旅游产品发展战略需要设计的第三代产品所应具备的特点是()。
C.
以面为主,以对资源的全面利用为主,以参与式为主
D.
以点为主,以对资源的合理利用为主,以参与式为主
【单选题】入侵检测系统放置在防火墙内部所带来的好处是()
【单选题】________scores of times, but Derek still couldn’t understand how to use past participle in a concrete situation.
C.
Though it was explained
【单选题】The building started with a steel ______ which was later filled in with bricks and concrete.