Auctioneer Sotheby’s sells a rare black diamond for $4.3m
©REUTERS via BBC Pre-reading questions: I will read each question. Then, please answer them. What have you discovered recently? (music, book, product) Please share something about it. Have you been to a planetarium? If not, would you like to visit one? Vocabulary: I will read the words, meanings, and sample sentences. Then, repeat after me. theory /THEE-uh-ree/ [noun] – a formal statement of the rules on which a subject of study is based or of ideas that are suggested to explain a fact or event or, more generally, an opinion or explanation Today, we learned about Charles Darwin’s theory of evolution. origin /AWR-i-jin/ [noun] – the beginning or cause of…
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