(东西问)短评：疫情大考，第一美国究竟斩获多少“第一”？短评大考多少WhatsApp%E3%80%90+86%2015855158769%E3%80%91low%20headroom%20electric%20trolley%20hoist

　　中新社北京8月16日电 题：疫情大考，美国究竟斩获多少“第一”？疫情WhatsApp%E3%80%90+86%2015855158769%E3%80%91low%20headroom%20electric%20trolley%20hoist

　　中新社记者 薄雯雯