题目内容：

    When Republic of Korea(ROK) President Moon Jae-in said on Feb 3, "China's difficulty is also ours" to raise his nation's awareness of the outbreak of the novel coronavirus(COVID-19) in China, China was facing the difficult period of controlling the spread of the virus nationwide. 1.

Now it is the ROK that seems to be at the critical juncture of how China was then, as the country has the highest number of people infected with the virus outside of China; 1,261 as of Wednesday.

2. That the organizing committee for the Olympic Games in Tokyo has for the first time noted that whether the Games will be held as scheduled in the summer depends on how well the epidemic(传染病) is controlled in the next three months indicates that the country is at a crossroad in its efforts to contain the spread of the virus.

The ROK and Japan's advanced medical systems, solid economic foundations and unity of their people in the fight against the virus will prove indispensable to defeating the virus. 3.

Before vaccines are developed, it is good to see that the two countries have already heeded China's lessons and experience in dealing with the epidemic and they are trying to limit population mobility. 4.

Given the three economies' collective importance to the global supply chain, other countries should also prepare for the epidemic's likely aftermath on the world economy, and consider what they can do to support the three countries in their struggle.

5.

A.However, their closely-packed populations will put their governance systems to a tough test.

B.Japan too seems to be facing a similar situation with 170 people infected with the virus, not including 691 from the ship quarantined(被隔离的) at Yokohama port.

C.Their battle is also the world's.

D.Public health policymakers and institutes should step up their cooperation so as to better coordinate their war against a common enemy.

E.It deeply appreciated the moral and material support given by the ROK.

F.The detection, quarantine and hospitalization of those who are suspected of being infected must be done in a wait-for-nothing manner as the two countries are in a race to get ahead of the spread of the virus.

G.It is trying hard to minimize the influence of the epidemic.