綜合填空,閱讀下面短文，根據(jù)短文內(nèi)容及首字母提示，在空白處填入一個適當?shù)膯卧~。

Have you ever tried the “Magic Cube”(魔方) ? Pick up one of these cubes and you probably won’t be able to p__1. it down. How hard can it be to rearrange(重新安排) the nine little squares on each s_2.___ of the cube? In fact, there are millions of possibilities! It has been over 30 years s__3._ the cube first hit the market(上市). However, not many people know that it was used just a_4._ a simple classroom model at the beginning.

In 1974, Mr. Erno Rubik i__5.__ the “Magic Cube” as he called it. He did this to help his students to u__6.__difficult 3D concepts(概念). This classroom example was quickly turned into a p 7. toy. In 1979, Ideal Toys started to sell it as “Rubik’s Cube”. The invention quickly became a 1980s cultural icon.(文化偶像）

As time went by, the cube once lost i_8.__ attractive qualities. However, it made a comeback with the internet. Now anyone can go online and find many videos that show w_9.___to solve the cube. Erik Akkersdijk of the Netherlands holds the world r_10.___ now. He finished in just 7.08 seconds!

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