Triads
三和弦
In each measure write in close position in D major the chord named for that measure.
在每小节中,用D大调的密集式和弦写出该小节对应的和弦名称.
The symbols above and below the staff designate exactly the same chord, so use the symbol with which you are most familiar.
五线谱上方和下方的两种和弦符号所指的都是同一和弦.因此只需看你熟悉的那种即可完成.