题目

按要求完成句子；根据句意及首字母或汉语意思完成句子。 1. What’s your o________ of Mr. Li? 2. Everyone should show his t________ when he gets into the hall. 3. I saw the White House today. The P________ of the USA lives there. 4. He can speak ________（外国的）language, such as English, French. 5. We sent a card with birthday ________. (问候) 答案：1．opinion 2. ticket 3. President 4. foreign 5. greetings下列溶液蒸干后，无法得到原溶质的是A．CuSO4B．Na2CO3C．FeCl3D．NaOH