问题
填空题
浮选煤浆的液相性质包括()、()、()、()。
答案
参考答案:浮选煤浆温度;浮选煤浆酸碱度;浮选煤浆中剩余药剂的浓度;浮选煤浆中无机盐离子的种类及浓度
浮选煤浆的液相性质包括()、()、()、()。
参考答案:浮选煤浆温度;浮选煤浆酸碱度;浮选煤浆中剩余药剂的浓度;浮选煤浆中无机盐离子的种类及浓度
阅读理解。 | ||||||||||||||||||||||||||||||||||||||||||
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1. On ______, Paula usually gets up at 7:10 am. | ||||||||||||||||||||||||||||||||||||||||||
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A. Thursdays B. Wednesdays C. weekdays D. weekends | ||||||||||||||||||||||||||||||||||||||||||
2. Pizza is a kind of ______. | ||||||||||||||||||||||||||||||||||||||||||
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A. drink B. fruit C. toy D. food |
3. Paula's favourite sport is ______. |
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A. volleyball B. table-tennis C. yo-yo D. football |
4. On Wednesday evenings Paula usually ______. |
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A. watches TV B. does her homework C. washes her clothes D. goes to see her friends |
5. Which is wrong? |
[ ] |
A. Paula goes to school from Monday to Friday. B. Paula goes to bed after ten o'clock. C. Paula has sports in the afternoon. D. Paula usually has Pizza for lunch. |