Упр. 1. Поставьте следующие предложения в пассивный залог: Chemists call these compounds...

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Упр. 1. Поставьте следующие предложения в пассивный залог: Chemists call these compounds metals → These compounds are called metals by chemists. 1.They discussed the results of the reaction yesterday.
2. We prepare sodium salts from the carbonate or hydroxide.
3. They spoke much of the problem.
4. A discussion will follow the lecture.
5. They will comment upon new data in this article.
6. We began the experiment in the morning.
7. The great affinity for oxygen distinguishes the metals.


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1.The results of the reaction were discussed by them yesterday. 
2. Sodium salts are 
prepared from the carbonate or hydroxide by us. 
3. The problem is much spoken of by them

4. The lecture will be followed by a
 discussion.
5. New data will be commented upon by them in 
this article. 
6. The experiment was begun by us
 in the morning. 
7. The metals are 
distinguished by the great affinity for oxygen.
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