问题
选择题
The conference has been held to discuss the ________of global warming on people’s lives all over the world.
A．importance
B．effects
C．protection
D．impression
答案
答案：B
名词辨析。A重要性；B影响；C保护；D印象；结合句意可知B正确。句意：会议已经被举行来讨论全球变暖对人类生活的影响