When did Abraham Lincoln announce an order to free the ……

填空题In 1915.

填空题Information About the Lecture According to the speaker, the central topic for Americans is ______. (1) When do millions of Americans send special cards and gifts that announce their love to their mates, their friends, their co-workers and their families On ______ Day. (2) The divorce rate in America is ______. (3) When an American falls in love, his her ______ would be given the strongest feelings rather than his her parents, brothers or sisters. (4) Americans think ______ is the basis of marriage (5)

单项选择题The purpose of the speaker is to（）

A. introduce how to build a statue
B. introduce how to pass a statute
C. introduce the history of the Statue of Liberty
D. show the friendship between countries

单项选择题When did Americans celebrate May Day（）

A. The 1st of May.
B. The 1st of September.
C. The 1st Monday in September.
D. The 1st Monday in May.

单项选择题What is The National Underground Railroad Freedom Center