单项选择题The main idea of the passage is that the United States Presidents should ______
单项选择题Where does the Horatio Nelson the naval captain who defeated Napoleon at the battle of Trafalgar in 1805, and so stopped him from invading England stand
单项选择题How does the author think about Paris in the 20th Century
单项选择题According to the author, the following statements about Colombia are true EXCEPT ______.
单项选择题What do you know about the attack’