根据短文内容和首字母的提示，把所缺单词填写在短文后面的横线上。You have probably never heard of Amy Winterbourne, but she is a most

u70   woman. She lives in a house that she built herself out o 71 trash. Well, the stuff used to be called trash, but now it’s called“recycled”material. The windows and doors came from old buildings around the town that were being pulled down. The walls are made from old glass bottles that are g 72   together. The roof is made from d 73    tiles. And the fence is built out of used soda cans. Amy recently won an a74   from the Help Save Our Planet Society. The president Jackson Smith said, “Amy is an i 75      to us all.”

小题1: u                   小题2: o              小题3: g          

小题4:d                    小题5: a              小题6: i               

常用加氢精制催化剂主要有活性金属组分、助剂及担体组成（）。

A、轻质馏分油

B、汽油

C、润滑油

D、水