WhenChina’sastronautZhaiZhigangcarriedoutthespacewalkon...

問題詳情：

When China’s astronaut Zhai Zhigang carried out the spacewalk on September 27, he was wearing a spacesuit developed by Chinese scientists. Being worth more than 30 million yuan, the Feitian (飛天) spacesuit is not ___51___ ordinary one. It ___52___(take) Chinese scientists four years to develop it. But what is special about the suit? First Let’s take a look at why ___53___ (astronaut) need to wear spacesuits.

When you visit a world with little or no atmosphere, not ___54___ (wear) a spacesuit, the following things would happen:

You would become unconscious within 15 seconds because there is no oxygen.

Your blood and body fluids(液體) would “boil” and then “freeze” ___55___ there is little or no air pressure.

Your would receive various types of radiation.

You could ___56___ (hit) by dust or rock that moves at high speeds.

So, to protect you ___57___ these dangers, a spacesuit must:

*Have a pressurized atmosphere;

*Give you oxygen;

*Keep a(n) ___58___ (comfort) temperature;

*Let you see clearly and move easily.

The Feitian suit did all that and ___59___ it did made it like a mini-spaceship in ___60___ the astronaut stayed alive in outer space and carried out tasks.

【回答】

51. an    52. took   

53. astronauts    ...

54. wearing   

55. because   

56. be hit    57. from   

58. comfortable   

59. what    60. which

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