题目

某同学想用pH试纸测定一些物质的pH，下列做法能达到实验目的的是（    ）    A．用湿润的pH试纸测定稀硫酸的pH     B．用干燥的pH试纸测定二氧化碳气体的pH    C．用干燥的pH试纸测定浓硫酸的pH     D．用干燥的pH试纸测定氢氧化钠稀溶液pH 答案：D The House with Golden Windows     Mary lived in a small, poor house on a hill. When she was young,   1   would play in the small garden. There she was able to  2   a wonderful house high on the other hill – and this house had golden windows, so shining that the little girl would  3   of how fantastic it would be to live in a house with golden windows instead of a common house   4   hers. Though she loved her parents, she still dreamed all day about how exciting it   5 feel to live there.     One day, she asked her mother if she could go for a bike ride outside. Her mother finally   6   her to go. The day was beautiful and she knew exactly   7   she was going! She rode her bike until she got near to the gate of the golden house across on the other hill. She was so   8   as she saw all the windows were simple and rather dirty, showing that the house stood derelict（遗弃）.     So sad she didn’t go any further and turned,   9   broken as she rode on her bike. As she went back she was surprised to see a little house with golden windows as the sun shone on her own   10  .     She realized that she had been living in her golden house and all the  11   she found there was what made her home the ‘golden house’. Everything she dreamed was  12   there in front of her nose! 1. A. she                B. he              C. you                   D. I  2. A. buy                 B. build          C. see                   D. make  3. A. talk                 B. think          C. hear                  D. dream    4. A. of                   B. as              C. like                   D. with  5. A. might              B. must          C. may                  D. could    6. A. invited             B. agreed        C. let                     D. allowed 7. A. what               B. where        C. why                  D. how    8. A. disappointed     B. excited       C. surprised           D. tired    9. A. heart               B. life             C. way                  D. wish    10. A. bike               B. mom          C. home                D. family    11. A. fun                B. love           C. hope                 D. change    12. A. once                     B. not             C. also                  D. right