题目内容：

根据短文内容及所给提示，在文中的空白处填写一个正确的单词。

This week we learnt a lot about science. We also did a lot of 36.e1. in science classes. We all like them because they are so 37. f2.. We concluded some theories in 38.3. (science) methods. We know science affects our life. The 39. 4. (develop) of technology has greatly changed our life. Radios, TV, computers, faxes and satellites make people close 40.5. each other. We can see nearly everything happening 41.6. (thousand) of miles away. And we can communicate with people in different land without 42.7. (leave) home. We do not have to go 43.8. (shop) every  day. Once a week we buy our things including meat, vegetables and so on. We can put them in fridges. With the help of tiny scissors doctors can 44. e9. the child who is still in the womb(子宫) of his mother. Farmers use newer technology for agricultural activities. The needs of oil technology, such 45.10. long pipelines(管线), electric power, good roads, airports, bring people from different lands to the Gulf(海湾) countries to make a living.