Asadutysailor,heshould（）.
A: keepagangwaywatch
B: oftenlookaroundtheship
C: hoistandlowernationalflagontime
D: A+B+C
A: keepagangwaywatch
B: oftenlookaroundtheship
C: hoistandlowernationalflagontime
D: A+B+C
举一反三
- IntheUnitedStates,whenamangreetsanAmericanbusinesswoman,heshould A: shakehandsgentlybecausesheisawoman B: shakehandsfirmlyandhaveeyecontact C: notshakehands D: shakehandsfirmlyanddonothaveeyecontact
- Iftheofficeronwatchisinanydoubtastothepilot’sactions，orintentions，heshould（）. A: notifytheCaptainassoonaspossible B: seekclarificationfromthepilot C: takeactionbyhisownjudgment D: ceasethedutyofpilot'satonce
- No matter who he is, heshould accustom himself to _____(accept) new things
- 互不相容的三元共晶合金的平衡结晶过程中，E点合金的室温组织组成为 A: A初+(A+B+C) B: B初+(A+B+C) C: C初+(A+B+C) D: A+B+C
- 逻辑公式中NOT（A＋B＋C）经反演律后可变成（）。 A: NOT（A+B+C） B: NOT（A.B.C） C: NOT（A）.NOT（B）.NOT（C） D: NOT（A）+NOT（B）+NOT（C）