The passage supports which of the following statements?
A、Yo one really knows how the theater began.
B、Myths are no longer represented dramatically.
C、Storytelling is an important part of dance.
D、Dramatic activities require the use of costumes.
At one time, the weather in Antarctica was so warm and damp that trees grew there.
A、True
B、False
C、Not Given
Task 221. In the twentieth century, soot22. If snow and ice covered areas begin melting, 23. A soot forcing is unusually effective, which24. Hansen cautioned that greenhouse gases25. Warming in the Northern Hemisphere was large in at middle and high latitudes. A. produces much more global warming than a carbon-dioxide forcingof the same magnitudeB. contributed to 25 percent of observed global warmingC. winter and springD. the warming effects increaseE. still surpass soot in warming the world's climate during thelast centuryF. can be seen mostly in the Northern Hemisphere