单选题
Talks on climate change resumed in the German city of Bonn on July 16 to
combat
global warming.
A、
focus on
B、
settle down
C、
fight against
D、
sum up
【正确答案】
C
【答案解析】
focus on集中；settle down定居，安顿下来；fight against与……作斗争；sum up总结。
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