What is the passage mainly about?

According to paragraph 2, why did most Americans harbour an unanimous displease toward Soviet’s achievement?

According to paragraph 1, what is NOT one of the manifestations of the Cold War between the two systems?

Which best serves as the title for the passage?

According to paragraph 2, what is correct about the developing materials project?

According to paragraph 1, what is the discussed objective for NASA’s space research?

Which best serves as the title for the passage?

If we are really on the only planet that can (5)_________life, then we are very special in a universe full of amazing things.

A. keep

(3)________these sightings may be true, scientists have not found significant evidence that aliens exist.

A. Because

A. inter

A. crew

A. mode

A. dive

A. weather

A. like

A. neither

The word ’it’ in the last paragraph refers to ____.

Which was cited as a reason why Google became so popular?

How did Google improve search quality in 1998?

Which best explains why the author discusses Xerox in this text?

B. He is explaining how companies must change with the times.

Which statement would the author most likely agree with?

Which best expresses the main idea of the third paragraph?

Which statement does the author NOT mention in the passage?

Which title best expresses the author’s main purpose in writing this text?

Which of the following is NOT correct about the impact of Facebook on users’ relationship?

The word “courting” in the last paragraph is closest in meaning to __________.

Why does Facebook motivate the productivity of employees?

According to paragraph 2, what do the scientists discover in their study?