Which global pandemic is the most extensive to afflict humanity in a century?（ ）
A: The Covid-19
B: The HPIV
C: The HRV
D: The AIV
A: The Covid-19
B: The HPIV
C: The HRV
D: The AIV
举一反三
- The 13 National Winter Games have been postponed due to the global COVID-19 pandemic . （ ）
- Some believe that the Covid-19 pandemic will have a catastrophic effect ____ the global economy. A: up B: with C: on D: down
- 新冠病毒的名称是（ ）。 A: COVID-19 B: SARS C: MERS D: Covid!_19
- The Covid-19 pandemic has _______ affected the global economy, health security and international politics. A: slightly B: moderately C: severely D: barely
- Which is most widespread? A: an outbreak B: an epidemic C: a pandemic