北師大版英語九年級(jí)unit8discoverieslesson22famousdiscoveries第一課時(shí)學(xué)案-在線瀏覽
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【正文】 e? discoveries effect antibiotics DNA Xrays 三、 Answer the questions according to the text. 1. What can cure a lot of diseases easily? _________________________________________________ 2. What passed on certain characteristics from parents to children? _________________________________________________ 3. What can scientists know from the map of our DNA? _________________________________________________ 4. Who was the first to study and name Xray? _________________________________________________ 5. What prize did the discoverer of Xray award? ___________________________________________
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