完形填空,选择正确答案填空

完形填空,选择正确答案填空
Math is one of the most boring classes for many students.But recently a math class at the University of California in the US got four hundred students interested.There 46 even another thirty-five students watching from behind windows.
Who could make a boring subject so 47 Terence Tao,a 48 professor.He is known as “the Mozart of Math”.
Tao was born in *.He 49 his childhood in Australia.At the 50 of two,he could read.At nine,he went to college math classes.Tao was talented.He went to college when he was fourteen.At twenty,he got his doctoral degree.
Last summer,Tao won a Fields Medal.This is known 51 the “Nobel Prize of math”.“There is no point going to college too young,” said Tao.He said studying is like 52 a pyramid (金字塔).A pyramid must have a strong base,53 then can be built higher.
In 54 ways,he’s like us.Tao wears a sweatshirt and a pair of sports shoes most of the time and he reads Japanese comic books.But he said his 55 love is still math.
“In many ways,my work is my hobby,” he said.
( ) 46.A.were B.are C.was D.is
( ) 47.A.useful B.important C.interesting D.difficult
( ) 48.A.31-year- old B.31 years old C.31-years old D.31-year-olds
( ) 49.A.took B.ran C.played D.spent
( ) 50.A.year B.age C.time D.date
( ) 51.A.with B.like C.for D.as
( ) 52.A.building B.having C.enjoying D.learning
( ) 53.A.because B.but C.though D.and
( ) 54.A.any B.some C.all D.much
( ) 55.A.one B.first C.second D.last