【简答题】在计算机的进位计数制中有数位、位权和 ______ 三个要素。
【单选题】护士对下肢静脉曲张患者做健康指导时,正确的是
【单选题】The writer’s tutor ________.
A.
finds it easy to relax with the new students
C.
welcomes her warmly to the university
D.
doesn’t seem to find the students interesting
【单选题】当船舶由较高载重线海区航行至较低载重线海区时,且高载重线航段所消耗的油水总量小于高低载重线所对应的排水量之差,则船舶的DW应根据( )确定。