【单选题】Tommy’s parents looked _______ when they saw his excellent exam results.
【单选题】水准测量中,采用前后视距相等的方法不能消除的误差为( )。
【判断题】风格是作品在外表形式上,利用共同的元素和固定的手法,达成许多类似的组合
【单选题】下面两个句子中的“朝”和“稽”的读音正确的一组是() 1余姑翦灭此而朝食2韩厥执絷马前,再拜稽首
【单选题】Tom_______show his exam results to his parents.
【单选题】At the ______ exam results, his mother got ______ with him. [ ]
A.
discouraging; discouraging
B.
discouraged; discouraging
C.
discouraging; discouraged
D.
discouraged; discouraged
【单选题】John ______ be could improve his exam results, but he did not have enough time to study.
【单选题】精密水准测量时,要求尽量使前后视距相等,是为了( )误差对测量的影响。
【单选题】水准测量中,不能通过前后视距离相等这种方法来消除的误差为( )。
【单选题】在进行精密水准测量时,会受到各种误差的影响。为了减弱( )对观测高差的影响,应使前、后视距尽量相等 ,并使视线离地面有足够的高度。