问题
选择题
It is human activities on the earth that are to _______ global warming.
A．be blamed for
B．to blame for
C．take charge of
D．be responsible with
答案
A。
短语辨析. be blamed for因……被责备，归咎于；to blame for因……怪罪；take charge of接管，负责；be responsible with负责。句意：需要因为全球变暖而受到责备的，是人类在地球上的活动。结合本句不定式符号to及语境，可知选A。所给答案有误。