过不是三种而是103种基本物质组成的。

　　5．Thales, the famous Greek philosopher, died when he was about________.

　　A．94 years old B．106 years old

　　C．40 years old D．46 years old

　　解析：选A　数字计算题。根据"Thales (about 640－546 B．C.)"两数相减得知选A。

　　6．The meaning of the underlined word "complicated" in the last paragraph is "________"．

　　A．not difficult B．not simple

　　C．not famous D．not different

　　解析：选B　词义猜测题。根据"We now know of 103 basic substances which we call 'elements (元素)'．"我们现在知道宇宙是由103种基本物质组成，所以清单上列出的肯定比希腊哲学家发现的复杂得多，故选B。

　　7．From the passage we know that ________.

　　A．Thales asked many questions

　　B．Greeks were all philosophers

　　C．science began long ago

　　D．water and air make up all things

　　解析：选C　细节理解题。根据希腊哲学家关于宇宙的研究可知，科学出现的很早，故选C

　　8．After reading the passage, we can be sure that________.

　　A．nothing ever changes in the universe

　　B．Thales decided that the basic substance of the universe was air

　　C．the universe is made up of four different substances

　　D．the early Greek thinkers did much valuable work for the progress of science

　　解析：选D　细节理解题。根据最后一段的"The Greek philosophers ... made up of certain basic substances."后来的人根据希腊哲学家的研究继续从事研究发现宇宙确实是由一些基本物质构成的，故选D。

　　C

　　 "This isn't Disneyland, I'm not a novelty, this is as real as it gets，" sing The Sisters of Invention.

　　The young women - Annika, Michelle, Jackie, Aimee and Caroline - are a pop group with a difference. All have learning difficulties and some have extra disabilities.

The five are based in Adelaide, Australia, and met in 2010