用所给单词的正确形式填空。

6. Would you like to ask Mr. Hu for some ____________?（建议）

7. I think diving is more _____________ than skating.（令人兴奋的）

8. Why do you look so _____________? Can I help you?  (紧张)

9. You must know that different people have different _______________(能力).

10. Do you think what he said is ____________? (真实的)

配制酸性铬蓝K指示剂：称取（）g酸性铬蓝K（C₁₆H₉O₁₂N₂S₃Na₃）与4.5g（）混合，加入10mL（）和40mL高纯水，溶解后用（）稀释至（）mL。