【单选题】岩体因卸荷回弹产生侧向拉应力,而造成坡面破坏现象,称为( )
【单选题】岩体因卸荷回弹产生侧向拉应力,而造成坡面破坏现象,称为____。
【单选题】下列关于新车交付检验(PDS) 的说法正确的是( )。
C.
为了防止运输中发生问题,车辆在离厂前进行了多种保护措施。PDS的车辆状态的恢复步骤可以使车辆处于正常工作状态。
D.
PDS是将各分散运输的零件装配好,使车辆进入工作状态。
【简答题】Frotunately, I don't mind ________ at a cheap hotel or a motel. Finally, I try to plan money for meals and other sightseeing expenses.
【单选题】—Smart phones are more and more popular now. —So they are. But they still ________ too much.
【单选题】By 'crisis of comprehension' the author means that many students ______.
A.
are too much. concerned with grades
B.
fail to understand the real goal of education
C.
lack proper practice in phonic and grammar drills
D.
are unable to understand what they read, although they do reasonable well on standardized tests
【判断题】原油各馏分的数均相对分子质量是随馏程的上升而增大的。