DidAmericansreallywalkontheMoonover30yearsago?Thequesti...

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Did Americans really walk on the Moon over 30 years ago? The question sounds ridiculous ? Most people accept that US astronauts first walked on the moon aboard the Apollo II mission on July 20, 1969. But those who don’t believe this have created a lot of doubt.

So the National Aeronautics and Space Administration (NASA) will produce a mini-book to show that yes, indeed, Americans did land on the Moon.

Those doubt the Apollo moon landings insist that the US lacked technology the Moon at that time. They say that the US was so desperate(不顾一切的)to win the space race against the former Soviet Union that it faked (伪装) the moon landing on movie sets.

The doubters say the fake was done so badly there is obvious evidence that it didn’t actually happen. The film shows astronauts planting the American flag on the Moon, It shows the flag rippling in the wind. Critics say that as there is no wind on the moon , the picture must have been faked. They also say that the film doesn’t include stars in the night sky. And the first men to step on the Moon---astronauts Neil Armstrong and Buzz Aldrin have never spoken about their lunar adventures.

NASA explained that the astronauts struggled to plant the US flag on the surface of the Moon. They twisted it around a bit before it stuck and this created the ripples in the flag. The ripples would have disappeared within seconds on Earth, where the atmosphere would have stooped them. But on the Moon, where there is no atmosphere, the rippling carried on , making it look like wind.

The missing stars are easily explained. The pictures in question also show Earth, which looks very bright. It is so bright that it outshines the stars making them look invisible. As for Armstrong and Aldrin, they both have spoken about the mission.

NASA says they do not hope to change every critic’s mind with the look, but they want it to be an educational aid for teachers to prove the critics wrong. An engineer will write the book and it will answer the critics point by point.

is the main idea of the passage?

A. Some people doubt whether Americans landed on the Moon

B. NASA will publish a book on Americans’ Moon landing in 1969

C. Critics had lots of questions about Apollo’s Moon landings

D. American landing on the Moon is nothing but a lie.

33. Which of the following is NOT the evidence critics listed to argue that American astronauts hadn’t really landed on the Moon?

A. The flag rippled in the wind though there was no wind in space.

B. American astronauts landing on the Moon never mentioned their experiences

C. From the film, no stars could be seen in the night sky.

D. The USA hasn’t developed the technology to send humans to the Moon

34. The underlined word “invisible” means_____.

A. much darker B. a bit mysterious