Questions 6 to 7 are based on the following news. At the end of the news item, you will be given 10 seconds to answer each question.
Now listen to the news. The NASDAQ Composite lost

The Declaration of Independence came from the theory of...

单项选择题The Declaration of Independence came from the theory of British philosopher ______.

Walt Whitman was a(n) ______.A．playwrightB．essayistC．po...

单项选择题Walt Whitman was a(n) ______.

Which of the following is NOT a feature of scientific c...

单项选择题Which of the following is NOT a feature of scientific creativity