The presentof the United States is Barack Obama, who was a, a college professor and a successful writer.

问答题The speech “Ia” made by Martin Luther King Jr., has been considered one of the masterpieces in the history of speech.

单项选择题A．main B．few C． poor D．abundant

单项选择题A． numbers B．opinions C．aspects D．directions

单项选择题A． explore B．clean C．measure D．cover

单项选择题The best title for the passage is.

单项选择题Which of the following statements is not true

单项选择题What does the underlined word“ them” in the passage refer to

单项选择题What will probably be talked about following the last paragraph

单项选择题A． water B． food C．energy D．information

单项选择题The following are idioms except.