1.President Yoon Suk Yeol on Thursday departed for South America to attend the Asia-Pacific Economic Cooperation and Group of 20 summits. President Yoon is scheduled to first land in Lima, Peru, to participate in the APEC summit, then travel to Rio de Janeiro for the G-20 meeting. 2.Finance Minister Choi Sang-mok said Thursday the government will take active steps, if necessary, to address excessive volatility in the foreign exchange market. Since Donald Trump's victory in the U.S. presidential election last week, the local currency has been fluctuating around the psychologically significant level of 1,400 won against the U.S. dollar. 3.The annual college entrance exam kicked off nationwide Thursday. Choe Joung-chul, head of the CSAT question-setting committee, said during a press conference that extremely difficult "killer" questions were excluded from this year's exam.