The word“contain”underlined in Paragraph 3 means_______

单选题The word“contain”underlined in Paragraph 3 means________．

词义题型
根据第三段第一句的句意判断，contain应表达的是“阻止、抑制”之意，另参考54注释；因此A为答案。

1Which of the following statements does NOT refer to smallpox?

2It call be inferred from the passage that________．

3根据下列材料,回答题：

According to Paragraph 1, Cardus observed that