How was the public motivated to help the health workers?-考呗网

单选题How was the public motivated to help the health workers?

细节题型
见第三段第二句：Rewards for reporting smallpox assisted in motivating the public to aid health workers．(给予报告发现天花病例的人奖金大大地有助于激励民众来协助卫生组织的工作人员)；因此B为答案。

1The word“they”underlined in Paragraph 4 refers to________．

2The word“contain”underlined in Paragraph 3 means________．

3Which of the following statements does NOT refer to smallpox?