3、去海滩　　　　　　　　　　　 　4、躺在伞下

1、天气预报　　　　　　　　　　 2、放风筝

Shakuntala Devi is from India. She has an a___________ (1) brain and can calculate like　 l__________ (2). In America, Shakuntala and a very powerful computer were given a problem to s__________ (3). Shakuntala’s brain t_________ (4) 50 seconds to find the answer. The computer took a m__________(5).　 However, before the computer could begin c_________ (6), someone had to s________(7) many hours programming it with i________________(8) . No one had to p___________ (9) Shakuntala. Is your brain powerful e__________(10) to be against the computer?

5．一些人把人脑叫做活电脑。人脑比电脑更强大吗？

Some people ____________ the brain a ________________ computer.

Is a human brain more　 _____________ _______________ a computer？

4. 电脑可以在一瞬间进行计算，而你有可能一辈子都算不出来。

A computer can do a _____________ in a ___________ , but you might not be ___________ to do in your ___________ lifetime.

3．现代的计算器可以计算加、减、乘、除，还可以算百分比和平方根。

The modern ___________ can add, ____________ , ____________and __________.

It can also ___________ percentages and _______________.

2．(零的发现)使得写大的数字和计算变得更容易。

It made _____________ easier ____________ big numbers and to _____________.

1．印度人首先发明并发展了1-9数字体系。后来他们又发明了零这个数字。

The Indians first ___________ and developed the 1 ___________ 9 system of numbers.

Then they invented the z____________.

9．一生_____________________　　　　　　　 10. 人脑 ________________________

7．一瞬间___________________　　　　　　　 8. 能够 _________________________