【判断题】"What is Halloween?" is an effective specific purpose statement because it can arouse the curiosity of an audience.( )
【单选题】What is an effective way to preserve biodiversity?
A.
Reduction of the impact of species extinction on others.
B.
Sustainable management of the world's tropical forests.
C.
Encouragement of political will to reduce gas emission.
D.
None of the above. No effective way has been found yet.
【简答题】What is an effective title for an academic paper?
【单选题】What is an effective ,resilient and painless way of improving the safety climate in an organization?