【简答题】It is unlikely that there is a pre-linguistic stage when babies just babble.()
【多选题】When will you feel stage fright ?( )
A.
When you focus on yourself and your anxiety
B.
When you focus on presentation
C.
When you focus on yourself
D.
When you focus on your performance
【单选题】Hardly () on stage the audience started cheering.
【单选题】A vessel is underway with a work stage rigged over the side. A seaman may work on the stage,but only when().
B.
wearing a safety harness secured to the stage
C.
wearing both a life jacket and a safety harness secured to the stage
D.
the vessel is not making way
【单选题】The third stage of NREM is the time when you dream.
【单选题】Until today we have reached a stage _______ we have almost no rights at all.
【单选题】The first______in 1814 marked the beginning of a new stage of the Industrial Revolution when the newly-built railways began to replace canals as the most important means of transport.
【单选题】When rigging a stage,the standing part should be fastened to the horns of a stage with which of the following hitches ________.
D.
Double blackwall hitch
【判断题】等比数列4,2,1,0.5,......的公比是2